74
W
Tungsten

Tungsten

Element 74 • Transition Metal
Atomic Mass 183.840000
Electron Config Unknown
Group/Period 6/6

Physical Properties

MEASURED
Atomic Mass
183.840000 u
Melting Point
3695.00 °C
Boiling Point
5828.00 °C
Ionization Energy
7.86 kJ/mol

Special Properties

CLASSIFIED
STABLE Generally safe to handle with standard precautions

Applications

CATALOGUED

Industrial Powerhouse Applications

Tungsten reigns supreme in extreme temperature applications, with its extraordinary 3,695°C melting point making it indispensable in modern technology. This remarkable metal literally keeps our world illuminated and powered.

Incandescent Lighting Revolution

Tungsten filaments transformed lighting forever. While Edison's early bulbs used carbon, Tungsten's discovery enabled the brilliant, long-lasting incandescent bulbs that lit the 20th century. Modern halogen bulbs still rely on Tungsten's incredible heat resistance.

X-Ray & Medical Equipment

Hospital X-ray machines depend on Tungsten targets to generate precise imaging radiation. Tungsten's ability to withstand intense electron bombardment makes it perfect for medical diagnostics, from dental X-rays to advanced CT scanners.

Aerospace & Space Technology

Rocket nozzles and spacecraft components use Tungsten alloys to survive re-entry temperatures exceeding 2,000°C. NASA's space shuttles relied on Tungsten-reinforced leading edges to safely return astronauts to Earth.

Electrical Contacts & Electronics

High-voltage electrical switches and circuit breakers use Tungsten contacts because they resist welding under extreme electrical loads. From power grid infrastructure to automotive ignition systems, Tungsten keeps electricity flowing safely.

Military & Defense Applications

Armor-piercing ammunition relies on Tungsten's incredible density (19.3 g/cm³) and hardness. Tank-busting projectiles and kinetic energy penetrators use Tungsten cores that can pierce the strongest armor at hypersonic speeds.

Industrial Cutting & Machining

Tungsten carbide cutting tools can slice through hardened steel like butter. From drill bits mining deep underground to precision surgical instruments, Tungsten carbide provides unmatched durability and sharpness that lasts 10x longer than steel tools.

Why Tungsten Rules Extreme Temperatures

  • Melting Point Champion: 3,695°C - higher than any other element except carbon
  • Boiling Point Titan: 5,828°C - hot enough to melt most other metals instantly
  • Thermal Conductivity: Exceptional heat transfer prevents thermal shock failure
  • Low Expansion: Maintains precise dimensions even at white-hot temperatures

Next-Generation Applications

Fusion reactors will depend on Tungsten's plasma-facing materials to contain 100-million-degree temperatures. Space elevators may use Tungsten-carbon composite cables, while quantum computers are exploring Tungsten-based superconducting qubits operating at absolute zero.

Common Uses

INDEXED

Tungsten in Daily Life

Home & Office Lighting

  • Halogen Light Bulbs: Desktop lamps, car headlights, and stage lighting use Tungsten filaments that burn 30% brighter than standard bulbs
  • Projector Lamps: Movie theaters and presentation projectors rely on high-intensity Tungsten-halogen bulbs for crystal-clear images
  • Photography Studios: Professional Tungsten lights provide consistent color temperature for film and video production

Workshop & Garage Tools

  • Drill Bits: Tungsten carbide masonry and metal drill bits stay sharp 10x longer than regular steel bits
  • Saw Blades: Circular saw blades with Tungsten carbide teeth cut through hardwood, metal, and concrete with ease
  • Router Bits: Woodworking router bits with Tungsten carbide edges create smooth, precise cuts in the hardest woods
  • End Mills: CNC machine tools use Tungsten carbide cutting edges for precision metalworking

Jewelry & Fashion

  • Wedding Rings: Tungsten carbide rings are scratch-resistant, hypoallergenic, and maintain their polish forever
  • Watch Cases: Luxury watches use Tungsten cases that resist scratches and maintain their lustrous finish
  • Men's Jewelry: Bracelets and cufflinks made from Tungsten offer durability and modern industrial aesthetics

Automotive Applications

  • Spark Plugs: High-performance engines use Tungsten electrodes for reliable ignition under extreme conditions
  • Headlight Bulbs: Xenon and halogen headlights contain Tungsten filaments for maximum brightness and road safety
  • Racing Components: Formula 1 cars use Tungsten ballast weights for precise weight distribution and handling

Mind-Blowing Tungsten Fact

A Tungsten light bulb filament, thinner than human hair, operates at 2,500°C - hot enough to melt copper pennies instantly! Yet it glows for thousands of hours without failing, thanks to Tungsten's incredible heat resistance.

Natural Occurrence

SURVEYED

Tungsten: Rare Earth Treasure

Scarcity in Nature

Tungsten ranks among Earth's rarest elements, with an abundance of only 1.25 parts per million in the Earth's crust. To put this in perspective, Tungsten is 100 times rarer than copper and 1,000 times rarer than iron!

Primary Tungsten Minerals

Wolframite

(Fe,Mn)WO₄ - The main commercial source, forming dark crystalline masses in high-temperature veins. Found primarily in China, which controls 85% of global production.

Scheelite

CaWO₄ - White to yellow crystals that fluoresce brilliant blue under UV light. Major deposits in Australia, Peru, and the western United States provide this premium Tungsten ore.

Ferberite & Hübnerite

Iron-rich and manganese-rich varieties of wolframite found in Bolivia's legendary Llallagua mine and Colorado's historic mining districts.

World's Major Tungsten Deposits

China (85% of global production)

Jiangxi Province's Dayu Mine and Hunan Province's Shizhuyuan Mine dominate world supply. China's tight export controls make Tungsten a strategic metal.

Russia

Siberia's Tyrnyauz deposit in the Caucasus Mountains contains both Tungsten and molybdenum in one of the world's largest polymetallic deposits.

Canada

Northwest Territories' Cantung Mine produces high-grade Tungsten ore from one of the richest deposits outside China.

United States

Colorado's Boulder County and California's Eastern Sierra contain historic Tungsten mines that supplied America during both World Wars.

How Tungsten Forms in Nature

Tungsten concentrates in hydrothermal veins where superheated water (300-600°C) carries dissolved Tungsten compounds deep underground. As the solution cools, Tungsten precipitates with quartz, forming the characteristic "wolframite veins" that miners seek.

Most deposits form near granite intrusions where magma's heat drives the hydrothermal circulation that concentrates Tungsten from trace amounts in surrounding rocks.

Mining Challenges

Tungsten's extreme hardness makes extraction difficult. Ore must be crushed to powder, then separated using magnetic and gravity techniques. The resulting concentrate requires high-temperature hydrogen reduction to produce pure Tungsten metal - a process consuming enormous amounts of energy.

Strategic Metal Status

Tungsten's rarity and strategic importance led the U.S. to classify it as a "critical mineral." During WWII, Tungsten was so valuable it was called "the metal that won the war" due to its use in armor-piercing ammunition and jet engines.

Discovery

ARCHIVED
1783

The Epic Discovery of Tungsten

Tungsten's discovery reads like a scientific detective story spanning three centuries, involving mysterious Swedish minerals, Spanish chemists, and German metallurgists. The element's name literally means "heavy stone" in Swedish, hinting at the challenges early scientists faced.

1781: The Scheele Mystery

Carl Wilhelm Scheele (Swedish chemist) discovered an unknown acid in the mineral scheelite. He realized this "tungstic acid" contained a new metallic element, but lacked the technology to isolate pure tungsten metal. Scheele's brilliant chemical intuition identified tungsten's existence 200 years before its first practical applications!

1783: The Spanish Brothers' Breakthrough

Juan José and Fausto Elhuyar (Spanish mineralogists) successfully isolated tungsten from wolframite ore in their laboratory at the Royal Seminary of Vergara. Working with samples from German mines, they used carbon reduction at extreme temperatures to produce the first metallic tungsten - tiny gray beads that would launch the modern tungsten industry.

"We have succeeded in obtaining the metallic substance of wolfram in a perfect state of purity" - Fausto Elhuyar, 1783

1841: The Naming Debate

Confusion reigned over tungsten's name! Germans called it "wolfram" (wolf's foam) because it interfered with tin smelting like a ravenous wolf. Swedes preferred "tungsten" (heavy stone). Today, both names coexist: element symbol W honors wolfram, while English-speakers say tungsten.

1904: Edison's Lighting Revolution

William Coolidge at General Electric developed the process for making ductile tungsten wire, launching the age of electric lighting. This breakthrough required heating tungsten powder in hydrogen atmosphere, then mechanically working it into wire thinner than human hair - a process still used today!

Technical Challenges Overcome

Extreme Melting Point

Tungsten's 3,695°C melting point exceeded any furnace technology of the 1700s. Early chemists could only produce tungsten compounds, not pure metal. The invention of electric arc furnaces finally enabled large-scale tungsten production.

Brittleness Problem

Pure tungsten is extremely brittle when cold, shattering like glass. Coolidge's breakthrough involved working tungsten at high temperatures and adding trace impurities to create ductile tungsten suitable for wire drawing.

Chemical Identification

Tungsten's complex chemistry confused early analysts. The element forms multiple oxidation states and colored compounds that masked its true identity. Systematic analytical chemistry finally revealed tungsten's unique properties.

From Laboratory Curiosity to Modern Marvel

The Elhuyar brothers could never have imagined their laboratory discovery would eventually power space missions, enable medical X-rays, and illuminate cities worldwide. Tungsten's journey from mysterious Swedish mineral to critical modern material spans over 200 years of scientific progress.

Scientific Legacy

Tungsten's discovery established principles of high-temperature metallurgy and refractory materials science. The techniques developed to work with tungsten laid groundwork for modern aerospace, electronics, and nuclear technologies. Every incandescent bulb that ever glowed pays tribute to the Elhuyar brothers' pioneering work.

Safety Information

CRITICAL

Tungsten Safety Information

Overall Safety Rating: MODERATE

Pure Tungsten metal is generally safe to handle with basic pre

cautions.
However, Tungsten compounds and industrial processing require special safety measures due to dust inhalation risks and chemical
toxicity.

Physical Handling

  • Sharp Edges: Tungsten's extreme hardness creates razor-sharp edges when fractured. Always wear cut-resistant gloves when handling broken Tungsten components
  • Weight Hazard: Tungsten's high density (19.3 g/cm³) makes small pieces surprisingly heavy. Prevent finger crushing by using proper lifting techniques
  • Brittleness: Cold Tungsten can shatter unexpectedly, creating flying fragments. Wear safety glasses when machining or breaking Tungsten parts
  • Heat Retention: Heated Tungsten stays extremely hot for extended periods due to high thermal mass. Allow cooling time before handling

Inhalation Hazards

  • Tungsten Dust: Fine Tungsten powder can cause respiratory irritation and possible pneumoconiosis with chronic exposure
  • Tungsten Carbide: Machining Tungsten carbide tools generates respirable particles. Always use dust collection systems and respiratory protection
  • Welding Fumes: TIG welding with Tungsten electrodes produces
    toxic fumes.
    Ensure adequate ventilation and use appropriate respirators
  • Hard Metal Disease: Prolonged exposure to Tungsten carbide dust can cause serious lung inflammation in sensitive individuals

Chemical Hazards

  • Tungsten Compounds: Tungsten hexafluoride (WF₆) is highly
    toxic and corrosive.
    Handle only with full chemical protection in fume hoods
  • Acid Reactions: Tungsten dissolves in hot nitric acid, producing
    toxic nitrogen oxides.
    Never heat Tungsten in acid solutions without proper ventilation
  • Fluoride Formation: Some Tungsten processing creates hydrogen fluoride gas, which is extremely
    dangerous.
    Monitor for HF exposure with appropriate detection equipment

Emergency Procedures

Eye Contact

Immediately flush with clean water for 15 minutes. Remove contact lenses if easily removable. Seek immediate medical attention for chemical exposure or metal fragments.

Skin Contact

Remove contaminated clothing. Wash affected area with soap and water. For cuts from sharp Tungsten, control bleeding and seek medical attention for deep wounds.

Inhalation

Move to fresh air immediately. If breathing is difficult, provide oxygen if available. Seek medical attention for persistent respiratory symptoms or suspected Tungsten compound exposure.

Fire/Explosion

Tungsten powder can be combustible when finely divided. Use dry sand or Class D fire extinguisher. Never use water on Tungsten fires as it may cause violent reactions.

Required Protective Equipment

  • Respiratory Protection: NIOSH-approved respirator when working with Tungsten dust or compounds
  • Eye Protection: Safety glasses with side shields, face shield for grinding operations
  • Hand Protection: Cut-resistant gloves for handling, chemical-resistant gloves for Tungsten compounds
  • Body Protection: Lab coat or protective clothing, steel-toed boots when handling heavy Tungsten components

Safe Storage & Disposal

Store Tungsten in dry, well-ventilated areas away from strong acids and oxidizing agents. Tungsten waste should be recycled when possible due to its strategic value. Dispose of Tungsten compounds through licensed

hazardous waste facilities following local regulations.

Knowledge Database

Essential information about Tungsten (W)

Tungsten is unique due to its atomic number of 74 and belongs to the Transition Metal category. With an atomic mass of 183.840000, it exhibits distinctive properties that make it valuable for various applications.

Tungsten has several important physical properties:

Melting Point: 3695.00 K (3422°C)

Boiling Point: 5828.00 K (5555°C)

State at Room Temperature: solid

Atomic Radius: 146 pm

Tungsten has various important applications in modern technology and industry:

Industrial Powerhouse Applications

Tungsten reigns supreme in extreme temperature applications, with its extraordinary 3,695°C melting point making it indispensable in modern technology. This remarkable metal literally keeps our world illuminated and powered.

Incandescent Lighting Revolution

Tungsten filaments transformed lighting forever. While Edison's early bulbs used carbon, Tungsten's discovery enabled the brilliant, long-lasting incandescent bulbs that lit the 20th century. Modern halogen bulbs still rely on Tungsten's incredible heat resistance.

X-Ray & Medical Equipment

Hospital X-ray machines depend on Tungsten targets to generate precise imaging radiation. Tungsten's ability to withstand intense electron bombardment makes it perfect for medical diagnostics, from dental X-rays to advanced CT scanners.

Aerospace & Space Technology

Rocket nozzles and spacecraft components use Tungsten alloys to survive re-entry temperatures exceeding 2,000°C. NASA's space shuttles relied on Tungsten-reinforced leading edges to safely return astronauts to Earth.

Electrical Contacts & Electronics

High-voltage electrical switches and circuit breakers use Tungsten contacts because they resist welding under extreme electrical loads. From power grid infrastructure to automotive ignition systems, Tungsten keeps electricity flowing safely.

Military & Defense Applications

Armor-piercing ammunition relies on Tungsten's incredible density (19.3 g/cm³) and hardness. Tank-busting projectiles and kinetic energy penetrators use Tungsten cores that can pierce the strongest armor at hypersonic speeds.

Industrial Cutting & Machining

Tungsten carbide cutting tools can slice through hardened steel like butter. From drill bits mining deep underground to precision surgical instruments, Tungsten carbide provides unmatched durability and sharpness that lasts 10x longer than steel tools.

Why Tungsten Rules Extreme Temperatures

  • Melting Point Champion: 3,695°C - higher than any other element except carbon
  • Boiling Point Titan: 5,828°C - hot enough to melt most other metals instantly
  • Thermal Conductivity: Exceptional heat transfer prevents thermal shock failure
  • Low Expansion: Maintains precise dimensions even at white-hot temperatures

Next-Generation Applications

Fusion reactors will depend on Tungsten's plasma-facing materials to contain 100-million-degree temperatures. Space elevators may use Tungsten-carbon composite cables, while quantum computers are exploring Tungsten-based superconducting qubits operating at absolute zero.

1783

The Epic Discovery of Tungsten

Tungsten's discovery reads like a scientific detective story spanning three centuries, involving mysterious Swedish minerals, Spanish chemists, and German metallurgists. The element's name literally means "heavy stone" in Swedish, hinting at the challenges early scientists faced.

1781: The Scheele Mystery

Carl Wilhelm Scheele (Swedish chemist) discovered an unknown acid in the mineral scheelite. He realized this "tungstic acid" contained a new metallic element, but lacked the technology to isolate pure tungsten metal. Scheele's brilliant chemical intuition identified tungsten's existence 200 years before its first practical applications!

1783: The Spanish Brothers' Breakthrough

Juan José and Fausto Elhuyar (Spanish mineralogists) successfully isolated tungsten from wolframite ore in their laboratory at the Royal Seminary of Vergara. Working with samples from German mines, they used carbon reduction at extreme temperatures to produce the first metallic tungsten - tiny gray beads that would launch the modern tungsten industry.

"We have succeeded in obtaining the metallic substance of wolfram in a perfect state of purity" - Fausto Elhuyar, 1783

1841: The Naming Debate

Confusion reigned over tungsten's name! Germans called it "wolfram" (wolf's foam) because it interfered with tin smelting like a ravenous wolf. Swedes preferred "tungsten" (heavy stone). Today, both names coexist: element symbol W honors wolfram, while English-speakers say tungsten.

1904: Edison's Lighting Revolution

William Coolidge at General Electric developed the process for making ductile tungsten wire, launching the age of electric lighting. This breakthrough required heating tungsten powder in hydrogen atmosphere, then mechanically working it into wire thinner than human hair - a process still used today!

Technical Challenges Overcome

Extreme Melting Point

Tungsten's 3,695°C melting point exceeded any furnace technology of the 1700s. Early chemists could only produce tungsten compounds, not pure metal. The invention of electric arc furnaces finally enabled large-scale tungsten production.

Brittleness Problem

Pure tungsten is extremely brittle when cold, shattering like glass. Coolidge's breakthrough involved working tungsten at high temperatures and adding trace impurities to create ductile tungsten suitable for wire drawing.

Chemical Identification

Tungsten's complex chemistry confused early analysts. The element forms multiple oxidation states and colored compounds that masked its true identity. Systematic analytical chemistry finally revealed tungsten's unique properties.

From Laboratory Curiosity to Modern Marvel

The Elhuyar brothers could never have imagined their laboratory discovery would eventually power space missions, enable medical X-rays, and illuminate cities worldwide. Tungsten's journey from mysterious Swedish mineral to critical modern material spans over 200 years of scientific progress.

Scientific Legacy

Tungsten's discovery established principles of high-temperature metallurgy and refractory materials science. The techniques developed to work with tungsten laid groundwork for modern aerospace, electronics, and nuclear technologies. Every incandescent bulb that ever glowed pays tribute to the Elhuyar brothers' pioneering work.

Discovered by: <div class="discovery-story"> <h3><i class="fas fa-history"></i> The Epic Discovery of Tungsten</h3> <div class="timeline-intro"> <p>Tungsten's discovery reads like a scientific detective story spanning three centuries, involving mysterious Swedish minerals, Spanish chemists, and German metallurgists. The element's name literally means "heavy stone" in Swedish, hinting at the challenges early scientists faced.</p> </div> <div class="discovery-timeline"> <div class="timeline-event"> <h4><i class="fas fa-calendar"></i> 1781: The Scheele Mystery</h4> <p><strong>Carl Wilhelm Scheele</strong> (Swedish chemist) discovered an unknown acid in the mineral scheelite. He realized this "tungstic acid" contained a new metallic element, but lacked the technology to isolate pure tungsten metal. Scheele's brilliant chemical intuition identified tungsten's existence 200 years before its first practical applications!</p> </div> <div class="timeline-event"> <h4><i class="fas fa-calendar"></i> 1783: The Spanish Brothers' Breakthrough</h4> <p><strong>Juan José and Fausto Elhuyar</strong> (Spanish mineralogists) successfully isolated tungsten from wolframite ore in their laboratory at the Royal Seminary of Vergara. Working with samples from German mines, they used carbon reduction at extreme temperatures to produce the first metallic tungsten - tiny gray beads that would launch the modern tungsten industry.</p> <div class="discovery-quote"> <blockquote>"We have succeeded in obtaining the metallic substance of wolfram in a perfect state of purity" - Fausto Elhuyar, 1783</blockquote> </div> </div> <div class="timeline-event"> <h4><i class="fas fa-calendar"></i> 1841: The Naming Debate</h4> <p>Confusion reigned over tungsten's name! Germans called it "wolfram" (wolf's foam) because it interfered with tin smelting like a ravenous wolf. Swedes preferred "tungsten" (heavy stone). Today, both names coexist: element symbol W honors wolfram, while English-speakers say tungsten.</p> </div> <div class="timeline-event"> <h4><i class="fas fa-calendar"></i> 1904: Edison's Lighting Revolution</h4> <p><strong>William Coolidge</strong> at General Electric developed the process for making ductile tungsten wire, launching the age of electric lighting. This breakthrough required heating tungsten powder in hydrogen atmosphere, then mechanically working it into wire thinner than human hair - a process still used today!</p> </div> </div> <div class="discovery-challenges"> <h4><i class="fas fa-cog"></i> Technical Challenges Overcome</h4> <div class="challenge-grid"> <div class="challenge-item"> <h5><i class="fas fa-fire"></i> Extreme Melting Point</h5> <p>Tungsten's 3,695°C melting point exceeded any furnace technology of the 1700s. Early chemists could only produce tungsten compounds, not pure metal. The invention of electric arc furnaces finally enabled large-scale tungsten production.</p> </div> <div class="challenge-item"> <h5><i class="fas fa-hammer"></i> Brittleness Problem</h5> <p>Pure tungsten is extremely brittle when cold, shattering like glass. Coolidge's breakthrough involved working tungsten at high temperatures and adding trace impurities to create ductile tungsten suitable for wire drawing.</p> </div> <div class="challenge-item"> <h5><i class="fas fa-atom"></i> Chemical Identification</h5> <p>Tungsten's complex chemistry confused early analysts. The element forms multiple oxidation states and colored compounds that masked its true identity. Systematic analytical chemistry finally revealed tungsten's unique properties.</p> </div> </div> </div> <div class="modern-impact"> <h4><i class="fas fa-rocket"></i> From Laboratory Curiosity to Modern Marvel</h4> <p>The Elhuyar brothers could never have imagined their laboratory discovery would eventually power space missions, enable medical X-rays, and illuminate cities worldwide. Tungsten's journey from mysterious Swedish mineral to critical modern material spans over 200 years of scientific progress.</p> </div> <div class="discovery-legacy"> <h4><i class="fas fa-medal"></i> Scientific Legacy</h4> <p>Tungsten's discovery established principles of high-temperature metallurgy and refractory materials science. The techniques developed to work with tungsten laid groundwork for modern aerospace, electronics, and nuclear technologies. Every incandescent bulb that ever glowed pays tribute to the Elhuyar brothers' pioneering work.</p> </div> </div>

Year of Discovery: 1783

Tungsten: Rare Earth Treasure

Scarcity in Nature

Tungsten ranks among Earth's rarest elements, with an abundance of only 1.25 parts per million in the Earth's crust. To put this in perspective, Tungsten is 100 times rarer than copper and 1,000 times rarer than iron!

Primary Tungsten Minerals

Wolframite

(Fe,Mn)WO₄ - The main commercial source, forming dark crystalline masses in high-temperature veins. Found primarily in China, which controls 85% of global production.

Scheelite

CaWO₄ - White to yellow crystals that fluoresce brilliant blue under UV light. Major deposits in Australia, Peru, and the western United States provide this premium Tungsten ore.

Ferberite & Hübnerite

Iron-rich and manganese-rich varieties of wolframite found in Bolivia's legendary Llallagua mine and Colorado's historic mining districts.

World's Major Tungsten Deposits

China (85% of global production)

Jiangxi Province's Dayu Mine and Hunan Province's Shizhuyuan Mine dominate world supply. China's tight export controls make Tungsten a strategic metal.

Russia

Siberia's Tyrnyauz deposit in the Caucasus Mountains contains both Tungsten and molybdenum in one of the world's largest polymetallic deposits.

Canada

Northwest Territories' Cantung Mine produces high-grade Tungsten ore from one of the richest deposits outside China.

United States

Colorado's Boulder County and California's Eastern Sierra contain historic Tungsten mines that supplied America during both World Wars.

How Tungsten Forms in Nature

Tungsten concentrates in hydrothermal veins where superheated water (300-600°C) carries dissolved Tungsten compounds deep underground. As the solution cools, Tungsten precipitates with quartz, forming the characteristic "wolframite veins" that miners seek.

Most deposits form near granite intrusions where magma's heat drives the hydrothermal circulation that concentrates Tungsten from trace amounts in surrounding rocks.

Mining Challenges

Tungsten's extreme hardness makes extraction difficult. Ore must be crushed to powder, then separated using magnetic and gravity techniques. The resulting concentrate requires high-temperature hydrogen reduction to produce pure Tungsten metal - a process consuming enormous amounts of energy.

Strategic Metal Status

Tungsten's rarity and strategic importance led the U.S. to classify it as a "critical mineral." During WWII, Tungsten was so valuable it was called "the metal that won the war" due to its use in armor-piercing ammunition and jet engines.

General Safety: Tungsten should be handled with standard laboratory safety precautions including protective equipment and proper ventilation.

Tungsten Safety Information

Overall Safety Rating: MODERATE

Pure Tungsten metal is generally safe to handle with basic pre

cautions.
However, Tungsten compounds and industrial processing require special safety measures due to dust inhalation risks and chemical
toxicity.

Physical Handling

  • Sharp Edges: Tungsten's extreme hardness creates razor-sharp edges when fractured. Always wear cut-resistant gloves when handling broken Tungsten components
  • Weight Hazard: Tungsten's high density (19.3 g/cm³) makes small pieces surprisingly heavy. Prevent finger crushing by using proper lifting techniques
  • Brittleness: Cold Tungsten can shatter unexpectedly, creating flying fragments. Wear safety glasses when machining or breaking Tungsten parts
  • Heat Retention: Heated Tungsten stays extremely hot for extended periods due to high thermal mass. Allow cooling time before handling

Inhalation Hazards

  • Tungsten Dust: Fine Tungsten powder can cause respiratory irritation and possible pneumoconiosis with chronic exposure
  • Tungsten Carbide: Machining Tungsten carbide tools generates respirable particles. Always use dust collection systems and respiratory protection
  • Welding Fumes: TIG welding with Tungsten electrodes produces
    toxic fumes.
    Ensure adequate ventilation and use appropriate respirators
  • Hard Metal Disease: Prolonged exposure to Tungsten carbide dust can cause serious lung inflammation in sensitive individuals

Chemical Hazards

  • Tungsten Compounds: Tungsten hexafluoride (WF₆) is highly
    toxic and corrosive.
    Handle only with full chemical protection in fume hoods
  • Acid Reactions: Tungsten dissolves in hot nitric acid, producing
    toxic nitrogen oxides.
    Never heat Tungsten in acid solutions without proper ventilation
  • Fluoride Formation: Some Tungsten processing creates hydrogen fluoride gas, which is extremely
    dangerous.
    Monitor for HF exposure with appropriate detection equipment

Emergency Procedures

Eye Contact

Immediately flush with clean water for 15 minutes. Remove contact lenses if easily removable. Seek immediate medical attention for chemical exposure or metal fragments.

Skin Contact

Remove contaminated clothing. Wash affected area with soap and water. For cuts from sharp Tungsten, control bleeding and seek medical attention for deep wounds.

Inhalation

Move to fresh air immediately. If breathing is difficult, provide oxygen if available. Seek medical attention for persistent respiratory symptoms or suspected Tungsten compound exposure.

Fire/Explosion

Tungsten powder can be combustible when finely divided. Use dry sand or Class D fire extinguisher. Never use water on Tungsten fires as it may cause violent reactions.

Required Protective Equipment

  • Respiratory Protection: NIOSH-approved respirator when working with Tungsten dust or compounds
  • Eye Protection: Safety glasses with side shields, face shield for grinding operations
  • Hand Protection: Cut-resistant gloves for handling, chemical-resistant gloves for Tungsten compounds
  • Body Protection: Lab coat or protective clothing, steel-toed boots when handling heavy Tungsten components

Safe Storage & Disposal

Store Tungsten in dry, well-ventilated areas away from strong acids and oxidizing agents. Tungsten waste should be recycled when possible due to its strategic value. Dispose of Tungsten compounds through licensed

hazardous waste facilities following local regulations.

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