Metallic chromium
![Metallic chromium](https://www.jmc.co.jp/wpapp/wp-content/themes/jmc_2023/img/service/highpurity-material/chrome/mainimg.jpg)
Metallic chromium is excellent in heat and corrosion resistance, and can be used safely. It is used for a broad range of purposes, and indispensable for various applications including superalloys, stainless steel, and electronic materials.
Our company handles metallic chromium of a broad range of grades, including the purity level 2N (99.0%) and 4N (99.99%). There are various product shapes, including flakes, briquettes, grains, and powder, according to grade. In addition, our company has standard products to meet a wide array of needs from clients. In addition to the standard products, we can customize products for special purposes of use.
![Electrolytic flakes](https://www.jmc.co.jp/wpapp/wp-content/themes/jmc_2023/img/service/highpurity-material/chrome/photo1.jpg)
Electrolytic flakes
![Powder](https://www.jmc.co.jp/wpapp/wp-content/themes/jmc_2023/img/service/highpurity-material/chrome/photo2.jpg)
Powder
![Briquettes](https://www.jmc.co.jp/wpapp/wp-content/themes/jmc_2023/img/service/highpurity-material/chrome/photo3.jpg)
Briquettes
![Chromium treated with the aluminothermy process](https://www.jmc.co.jp/wpapp/wp-content/themes/jmc_2023/img/service/highpurity-material/chrome/photo4.jpg)
Chromium treated with the aluminothermy process
Products including metallic chromium
Liquid-crystal panels
Burner diffuser
Welding materials
Electronic components
Automobile parts
Standard specs for metallic chromium
Grade 3N
Grade | 3NB | |||
---|---|---|---|---|
Chemical component | Specs | Analysis example | ||
Metal | Cr | 99.90% | 99.95% | |
Min. | ||||
Impurity | Al | 50 ppm | < 10 ppm | |
Max. | ||||
Si | 150 ppm | < 10 ppm | ||
Max. | ||||
P | 20 ppm | < 10 ppm | ||
Max. | ||||
Fe | 500 ppm | 90 ppm | ||
Max. | ||||
Cu | 20 ppm | < 10 ppm | ||
Max. | ||||
Pb | 10 ppm | < 10 ppm | ||
Max. | ||||
Other | C | 150 ppm | 60 ppm | |
Max. | ||||
S | 40 ppm | 20 ppm | ||
Max. | ||||
N | 50 ppm | 10 ppm | ||
Max. | ||||
O | 500 ppm | 350 ppm | ||
Max. | ||||
Shape and size | Briquettes | |||
-48 mesh, -60 mesh |
Grade 4N
Grade | 4N | |||
---|---|---|---|---|
Chemical component | Specs | Analysis example | ||
Metal | Cr | 99.99% | 99.99% | |
Min. | ||||
Impurity | Al | 10 ppm | < 10 ppm | |
Max. | ||||
Si | 20 ppm | < 10 ppm | ||
Max. | ||||
P | 10 ppm | < 10 ppm | ||
Max. | ||||
Fe | 60 ppm | 50 ppm | ||
Max. | ||||
Cu | 10 ppm | < 10 ppm | ||
Max. | ||||
Pb | 10 ppm | < 10 ppm | ||
Max. | ||||
Other | C | 100 ppm | 30 ppm | |
Max. | ||||
S | 20 ppm | 16 ppm | ||
Max. | ||||
N | 100 ppm | 10 ppm | ||
Max. | ||||
O | 500 ppm | 350 ppm | ||
Max. | ||||
Shape and size | Briquettes | |||
-48 mesh, -60 mesh |
Chromium purity level: 100% – Total percentage of metal impurities [%]
Degassing grade
Grade | ULS | JVG | JVG-LF | |||||
---|---|---|---|---|---|---|---|---|
Chemical component | Specs | Analysis example | Specs | Analysis example | Specs | Analysis example | ||
Metal | Cr | 99.8% | 99.80% | 99.7% | 99.8% | 99.8% | 99.86% | |
Min. | Min. | Min. | ||||||
Impurity | Al | 50 ppm | < 10 ppm | 50 ppm | < 10 ppm | 50 ppm | < 10 ppm | |
Max. | Max. | Max. | ||||||
Si | 100 ppm | < 10 ppm | 100 ppm | < 10 ppm | 100 ppm | < 10 ppm | ||
Max. | Max. | Max. | ||||||
P | 20 ppm | < 10 ppm | 20 ppm | < 10 ppm | 20 ppm | < 10 ppm | ||
Max. | Max. | Max. | ||||||
Fe | 1,000 ppm | 500 ppm | 1,000 ppm | 500 ppm | 500 ppm | 200 ppm | ||
Max. | Max. | Max. | ||||||
Cu | 10 ppm | < 10 ppm | 10 ppm | < 10 ppm | 10 ppm | < 10 ppm | ||
Max. | Max. | Max. | ||||||
Pb | 10 ppm | < 10 ppm | 10 ppm | < 10 ppm | 10 ppm | < 10 ppm | ||
Max. | Max. | Max. | ||||||
Other | C | 300 ppm | 150 ppm | 300 ppm | 150 ppm | 300 ppm | 150 ppm | |
Max. | Max. | Max. | ||||||
S | 10 ppm | 4 ppm | 40 ppm | 20 ppm | 40 ppm | 20 ppm | ||
Max. | Max. | Max. | ||||||
N | 10 ppm | 10 ppm | 40 ppm | 10 ppm | 40 ppm | 10 ppm | ||
Max. | Max. | Max. | ||||||
O | 500 ppm | 250 ppm | 500 ppm | 250 ppm | 500 ppm | 250 ppm | ||
Max. | Max. | Max. | ||||||
Shape and size | Briquettes | Briquettes | Briquettes | |||||
-48 mesh, -60 mesh | -48 mesh, -60 mesh |
Chromium treated with the aluminothermy process
Grade | Aluminum thermite | |||
---|---|---|---|---|
Chemical component | Specs | Analysis example | ||
Metal | Cr | 99.0% | 99.61% | |
Min. | ||||
Other | C | 0.04% | 0.02% | |
Max. | ||||
Si | 0.2% | 0.12% | ||
Max. | ||||
P | 0.05% | 0.001% | ||
Max. | ||||
S | 0.05% | 0.01% | ||
Max. | ||||
Fe | 0.5% | 0.16% | ||
Max. | ||||
Al | 0.3% | 0.08% | ||
Max. | ||||
Shape and size | Lump (-50 mm, -10 mm) | |||
Powder |