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Home Materials Chromium , Cr
24 51.996
Cr
Chromium

Chromium , Cr

Chromium is a chemical element which has the symbol Cr and atomic number 24. With its steel-grey hue and lustrous appearance, is not only visually striking but also possesses remarkable physical properties. Chromium's unique combination of physical properties, including its hardness, corrosion resistance, and malleability, make it an indispensable element in various industries. Its versatility and reliability continue to drive its widespread usage and importance in modern manufacturing processes.

  • Listed below are a selection of some more commonly used sizes. If you do not see anything that suits your needs, please click on the custom request forms and send us your requirements.
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C6-5001-M

Cr Pieces 1-4mm 99.95% Pure

Chromium

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C6-5002-M

Cr Pieces 3-8mm 99.99% Pure

Chromium

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C6-5004-M

Cr Pieces 0.8-3mm 99.2% Pure

Chromium

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C6-5008-M

Cr Pieces 3-6mm 99.99% Pure

Chromium

$1.32/GR
1133 GR in stock
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C6-5008-M1

Cr Pellets 3mm x 2mm 99.99% Pure

Chromium

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C6-5008-M2

Cr Pellets 6mm dia. x 6mm long 99.99% Pure

Chromium

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C6-5015-M

Cr2O3 Pieces 3-12mm 99.9% Pure

Chromium Oxide

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C6-5016-M

Cr Pieces 1-3mm 99.99% Pure

Chromium

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C6-5018-M

Cr Pieces 3-12mm 99.99% Pure

Chromium

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C6-5022-M

Cr Pieces 3mm dia. x 3mm long 99.99% Pure

Chromium

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C6-5023-M

Cr2O3 Pieces 1-6mm 99.95% Pure

Chromium Oxide

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C6-5024-M

Cr-SiO2 60-40wt% Pieces 1-3mm & smaller 99.99% Pure

Chromium-Silicon Dioxide

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C6-5025-M

Cr2O3 Pieces 1-4mm 99.9% Pure

Chromium Oxide

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C6-5027-M

Cr Pieces 1-3mm 99.6% Pure

Chromium

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C6-10007-P

CrO2 Powder -300 Mesh 99% Pure

Chromium(IV) oxide

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C6-10015-P

Cr3C2 Powder -200 +325 Mesh 99.5% Pure

Chromium Carbide

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C6-10016-P

Cr3C2 Powder -325 Mesh + 10 Microns 99.5% Pure

Chromium Carbide

4.3 UN2813 PG I

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C6-10017-P

Cr7C3 Powder -325 Mesh (typ. =10 Microns) 99.5% Pure

Chromium Carbide

4.3 UN2813 PG I

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C6-10018-P

Cr23C6 Powder -325 Mesh (typ. =10 Microns) 99.5% Pure

Chromium Carbide

4.3 UN2813 PG I

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C6-10019-P

CrCl2 Powder -80 Mesh 99.9% Pure

Chromium Chloride

8 UN1759 PG II

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C6-10020-P

CrF3 Powder -80 Mesh 99.9% Pure

Chromium Fluoride

8 UN1756 PG II

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C6-10022-P

Cr2N Powder -325 Mesh (typ. =15 Microns) 99% Pure

Chromium Nitride

4.3 UN2813 PG III

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C6-10023-P

Cr2O3 Powder -325 Mesh (typ. =10 Microns) 99.999% Pure

Chromium Oxide

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C6-10024-P

Cr2O3 Powder D90: 7.85 Microns 99.5% Pure

Chromium Oxide

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C6-10024-P1

Cr2O3 Powder =5 Microns 99.9+% Pure

Chromium Oxide

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C6-10025-P

Cr2O3 Powder -400 Mesh 99.9% Pure

Chromium Oxide

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C6-10026-P

Cr2O3 Powder -325 Mesh 99.9% Pure

Chromium Oxide

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C6-10027-P

Cr2O3 Powder -325 Mesh (typ. =10 Microns) 99.999% Pure

Chromium Oxide

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C6-10028-P

Cr2O3 Powder -325 Mesh (typ. =10 Microns fused) 99% Pure

Chromium Oxide

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C6-10030-P

CrSe Powder -325 Mesh (typ. =10 Microns) 99.5% Pure

Chromium Selenide

6.1 UN3283 PG III

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C6-10037-P

Cr2S3 Powder -200 Mesh 99% Pure

Chromium Sulphide

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C6-10038-P

Cr2Te3 Powder -325 Mesh (typ =10 Microns) 99.5% Pure

Chromium Telluride

6.1 UN3288 PG III

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C6-10039-P

Cr2O3 Powder 7.85 Micron 99.5+% Pure

Chromium Oxide

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C6-2000-R1

Cr Rod 3mm dia. x 50mm long 99.95% Pure

Chromium

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C6-2000-R2

Cr Rod 3.175mm dia. x 50mm long 99.95% Pure

Chromium

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C6-2000-R3

Cr Rod 4mm Dia. x 27mm long 99.95% Pure

Chromium

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C6-2002-R1

Cr Rod 12.7mm dia. x 250mm long 99.95% Pure

Chromium

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C6-2002-R2

Cr Rod 12.5mm dia. x 20mm Long 99.9% Pure 

Chromium

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C6-2002-R3

Cr Rod 10mm dia. x 20mm Long 99.9% Pure

Chromium

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C6-2003-R1

Cr Rod 2mm dia. x 200mm long 99.95% Pure

Chromium

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C6-2003-R2

Cr Rod 2mm dia. (+0/-0.2) x 27mm long 99.95% Pure

Chromium

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C6-2004-R1

Cr Rod 10mm dia. x 300mm long 99.95% Pure

Chromium

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C6-2004-R2

Cr Rod 10mm dia. x 100mm long 99.9% Pure

Chromium

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C6-2005-R1

Cr Rod 6.35mm dia. x 100mm long 99.95% Pure

Chromium

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C6-2005-R2

Cr Rod 6.35mm dia. x 20mm Long 99.9% Pure

Chromium

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C6-2006-R1

Cr Rod 1" dia. x 2" long 99.95% Pure

Chromium

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C6-2006-R2

Cr Rod 1.5mm dia. x 45mm long 99.95% Pure

Chromium

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C6-2007-R1

Cr Rod 5mm dia. x 5mm long 99.9% Pure

Chromium

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C6-1013-W1

Cr Wire 2.0mm dia. x 200mm long 99.95% Pure

Chromium

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C6-1013-W2

Cr Wire 2mm dia. x 65mm long 99.99% Pure

Chromium

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C6-9000-D

Chromium Cr,

Available Purities 99.5%, 99.7%, 99.9%, 99.95%, 99.99%

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C6-9001-D

Chromium Nitride CrN, Purity 99.5%

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C6-9002-D

Chromium Boride-Aluminium CrB2-Al,

Available in various ratios wt% or at%, Purity 99.5%

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C6-9003-D

Chromium-Silicon monoxide Cr-SiO,

Available in various ratios wt% or at%, Purity 99.95%

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C6-9004-D

Chromium Boride CrB2,

Available purity 99.5% & 99.9%

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C6-9005-D

Chromium-Copper-Iron-Nickel CrCuFeNi2,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9006-D

Chromium Oxide Cr2O3,

Available purity 99.95%

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C6-9007-D

Chromium silicide CrSi2,

Available purities 99.9% & 99.95%

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C6-9010-D

Chromium-Nickel Cr-Ni,

Available in various ratios wt% or at%, Purity 99.9% & 99.95%

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C6-9015-D

Chromium-Aluminium-Yttrium Cr-Al-Y,

Available in various ratios wt% or at%, Purity 99.5% & 99.95%

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C6-9016-D

Chromium-Ruthenium Cr-Ru,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9017-D

Chromium Aluminium-Graphite Cr-Al-C,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9019-D

Chromium-Magnesium Cr-Mg,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9020-D

Chromium-Silicon-Aluminium Cr-Si-Al,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9021-D

Chromium Aluminium carbide Cr2AlC,

Available purity 99.9%

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C6-9022-D

Chromium-Vanadium Cr-V,

Available in various ratios wt% or at%, Purities 99.9% & 99.95%

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C6-9023-D

Chromium-Silicon Cr-Si,

Available in various ratios wt% or at%, Purities 99.9% & 99.95%

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C6-9024-D

Chromium-Manganese-Antimony Cr2MnSb,

Available purity 99.9%

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C6-9025-D

Chromium-Titanium Cr-Ti,

Available in various ratios wt% or at%, Purities 99.9% & 99.95%

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C6-9026-D

Chromium-Yttrium Cr-Y,

Available in various ratios wt% or at%, Purities 99.9% & 99.95%

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C6-9027-D

Chromium oxide-Aluminium oxide-Yttrium oxide Cr2O3/Al2O3/Y2O3,

Purity 99.5%~99.9%

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C6-9028-D

Chromium-Copper-Iron-Nickel Cr-Cu-Fe-Ni,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9029-D

Chromium Selenide CrSe2,

Purity 99.9%

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C6-9030-D

Chromium-Germanium-Telluride CrGeTe3,

Available in various ratios wt% or at%, Purity 99.9%

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C6-9031-D

Chromium oxide-Yttrium oxide Cr2O3-Y2O3,

Available in various ratios wt% or at%, Purity 99.95%

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C6-9000-D104

Cr TRG 24mm dia. x 0.3mm Tk 99.95% Pure

Chromium

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C6-9000-D3

Cr TRG 23mm dia. x 1mm Tk 99.95% Pure

Chromium

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C6-9000-D39

Cr TRG 12.5mm dia. x 1mm Tk 99.95% Pure

Chromium

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C6-9000-D4

Cr TRG 57mm dia. x 0.3mm Tk 99.95% Pure

Chromium

$124.08/PCS
0 PCS in stock
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C6-9000-D5

Cr TRG 57mm dia. x 1.5mm Tk 99.95% Pure

Chromium

$118.80/PCS
35 PCS in stock
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C6-9000-D122

Cr TRG 50.8mm dia. x 5mm Tk 99.95% Pure

Chromium

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C6-9000-D86

Cr TRG 100mm dia. x 7mm Tk 99.9% Pure

Chromium

$118.80/PCS
6 PCS in stock
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C6-9004-D1

CrB2 TRG 101.6mm dia. x 6.35mm Tk 99.9% Pure

Chromium Boride

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C6-9004-D3

CrB2 TRG 76.2mm dia. x 6.35mm Tk 99.5% Pure

Chromium boride

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C6-9006-D1

Cr2O3 TRG 25.4mm dia. x 6.35mm Tk 99.95% Pure

Chromium Oxide

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C6-9006-D6

Cr2O3 TRG 76.mm dia. x 3mm Tk 99.95% Pure

Chromium Oxide

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C6-9006-D7

Cr2O3 TRG 50.8mm dia. x 3mm Tk 99.99% Pure

Chromium Oxide

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C6-9006-D9

Cr2O3 TRG 50.8mm dia. x 3.18mm Tk 99.9% Pure

Chromium oxide

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CR-ST-1-3-3N5

Cr TRG 25.4mm dia. x 3mm Tk 99.95% Pure

Chromium

$46.20/PCS
3 PCS in stock
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CR-ST-1-6-3N5

Cr TRG 25.4mm dia. x 6mm Tk 99.95% Pure

Chromium

$59.40/PCS
3 PCS in stock
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CR-ST-2-3-3N5

Cr TRG 50.8mm dia. x 3mm Tk 99.95% Pure

Chromium

$63.36/PCS
8 PCS in stock
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CR-ST-2-6-3N5

Cr TRG 50.8mm dia. x 6mm Tk 99.95% Pure

Chromium

$76.56/PCS
1 PCS in stock
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CR-ST-2-6-4N

Cr TRG 50.8mm dia. x 6mm Tk 99.99% Pure

Chromium

$165.00/PCS
9 PCS in stock
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CR-ST-3-3-3N5

Cr TRG 76.2mm dia. x 3mm Tk 99.95% Pure

Chromium

$79.20/PCS
7 PCS in stock
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CR-ST-3-6-3N5

Cr TRG 76.2mm dia. x 6mm Tk 99.95% Pure

Chromium

$158.40/PCS
4 PCS in stock
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CR-ST-3-6-4N

Cr TRG 76.2mm x 6mm Tk 99.99% Pure

Chromium

$191.40/PCS
1 PCS in stock
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CR-ST-4-3-3N5

Cr TRG 101.6mm dia. x 3mm Tk 99.95% Pure

Chromium

$125.40/PCS
0 PCS in stock
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CR-ST-4-6-3N5

Cr TRG 101.6mm dia. x 6mm Tk 99.95% Pure

Chromium

$184.80/PCS
1 PCS in stock
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C6-9000-D1

Cr TRG 203.2mm dia. x 6.35mm Tk 99.99% Pure

Chromium

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C6-9000-D100

Cr TRG 200mm dia. x 6mm Tk 99.95% Pure

Chromium

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C6-9000-D120

Cr TRG 650mm x 125mm x 8mm Tk 99.99% Pure

Chromium

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C6-9000-D34

Cr TRG 500mm x 200mm x 6mm Tk (2 sections) 99.95% Pure

Chromium

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Chromium boasts a high melting point, rendering it resistant to heat-induced deformation, which is crucial for applications requiring stability under high temperatures. Additionally, it exhibits excellent corrosion resistance, especially when exposed to oxygen, forming a protective oxide layer on its surface that prevents further oxidation and degradation. This corrosion resistance makes chromium an ideal choice for environments prone to oxidation, such as in stainless steel production and the manufacturing of corrosion-resistant alloys.

Chromium's malleability further enhances its utility, allowing it to be easily shaped and formed into different configurations without compromising its structural integrity. This property makes it invaluable in industries such as metallurgy, where it is commonly alloyed with other metals to enhance their mechanical properties.

In industry, chromium finds widespread use across various sectors. One of its primary applications is in the production of stainless steel, where it serves as a key alloying element, imparting stainless steel with its corrosion resistance and durability. Stainless steel, in turn, finds applications in diverse fields ranging from construction and architecture to food processing and medical equipment manufacturing.

Moreover, chromium's hardness and resistance to wear make it indispensable in surface coating technologies. Chromium plating, for instance, is utilised to enhance the durability and aesthetic appeal of automotive parts, plumbing fixtures, and even consumer electronics. The chromium layer not only provides a shiny finish but also acts as a protective barrier against corrosion and abrasion, prolonging the lifespan of the coated objects.

Beyond industrial applications, chromium compounds play vital roles in diverse sectors such as metallurgy, chemical manufacturing, and even healthcare. Chromium compounds are utilised in the production of pigments, catalysts, and refractory materials. In the medical field, chromium salts are employed in the treatment of chromium deficiency and as dietary supplements. 

Symbol Cr
Atomic number 24
No. of naturally occurring isotopes 4
Atomic weight 51.996
Electronic configuration [Ar]3d54s1
Ionization energy/kJmol -1 653
II 1592
III 2987
Metal radius(12-coordinate)/pm 128
Ionic radius(6-coordinate)/pm VI 44
Ionic radius(6-coordinatc)/pm V 49
Ionic radius(6-coordinate)/pm IV 55
Density (20°C)/gcm-3 7.14
Melting point / °C 1900
Boiling point / °C 2690
ΔHfus/kJmol-1 21 (+/-2)
ΔHvap/kJmol-1 342 (+/-6)
ΔHf(monoatomic gas)/kJmol-1 397 (+/-3)
Electrical resistivity -
(20°C)/ μohm cm 13
Electronegativity χ 1.6
Temperature (oC) @Vap. Pressure
10-8 Torr 837 Sublimes
10-6 Torr 977 Sublimes
10-4 Torr 1157 Sublimes
Techniques
Electron Beam Good
Crucible Vitreous Graphite
Coil Tungsten
Boat Cr plated rod or strip
Remarks
Films very adherent. High rates possible. Cr plated rods are ideal for depositing Cr.