sand blasting steel grit,angular steel grit
chemical composition | C | 0.7%-1.2% |
Si | 0.15%-1.2% | |
Mn | 0.2%-1.2% | |
Cr | 0.6%-1.2% | |
S | ≤0.05% | |
P | ≤0.05 % |
Chromium(Cr) is used in constructional alloy steels primarily to increase hardenability, provide improved abrasion-resistance and to promote carburization.
Hardness: GP(40-50HRC);GL(53-60HRC);GH(>60HRC)
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