China 40cr, 45 Steel Forging Hardware Bolts and Nuts Cement Mill Anchors Bolts, Find details about China Bolts and Nuts, Cement Mill Anchors Bolt from 40cr, 45 Steel Forging Hardware Bolts and Nuts Cement Mill Anchors Bolts
Material Grade: 40Cr,45 Steel;
Quality Level: 12.9, 10.9, 8.8, 6.8, 4.8 Grade
Sizes: M70,M72, M76,M80,M90,M100,M110,M140,M160;
Bolt-head Shape: oval head, square head,Round head bolts,Hex head bolts;
Chemical Compenent:
Composition(%) | C | Si | Mn | Ni | Cr | P | S | Cu |
45 Steel | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.30 | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.25 |
Composition(%) | C | Si | Mn | Cr | Ni | S | P | Cu |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.8-1.0 | ≤0.3 | ≤0.035 | ≤ 0.035 | ≤0.03 |