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ECr electrolytic unrefined chromium
Guaranteed chemical composition of ECr chromium
| Grade | Base | Impurities content, % (mass), maximum | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| O | N | C | S | Fe | Si | Ni | Al | Cu | Pb | ||
| ECr | Cr | 0.55 | 0.013 | 0.01 | 0.02 | 0.008 | 0.01 | 0.005 | 0.006 | 0.003 | 0.001 |
ERCr electrolytic refined chromium
Guaranteed chemical composition of refined chromium
| Grades | Cr, %, minimum | Impurities, ppm, maximum | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| O | N | C | S | Fe | Si | Ni | Al | Cu | ||
| ERCr-0 | 99.99* | 50 | 50 | 80 | 20 | ∑ Ni, Mo, W, Al, Ca, Co, Cu, Fe, Mg, Mn, Si, Ti, V, K, Li, Na and others 100 ppm, maximum | ||||
| ERCr-1 | 99.95* | 50 | 50 | 80 | 20 | 80 | 100 | 50 | 60 | 30 |