China 40cr 45 Steel Forging Hardware Bolts Nuts Cement Mill Anchors Bolt

Min. Order / Reference FOB Price
2 Set	US $11.20/ Set

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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(%)CSiMnNiCrPSCu45 Steel0.42-0.500.17-0.370.50-0.80≤0.30≤0.25≤0.035≤0.035≤0.25

Composition(%)

CSiMnCrNiSPCu40Cr0.37-0.440.17-0.370.5-0.80.8-1.0≤0.3≤0.035≤ 0.035≤0.03

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