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42CrMo alloy steel round bar
42CrMo alloy steel round bar
Supplier Info
[China Supplier]
Contact Person : Ms. Gao Cynthia
Tel : 86-22-26818688
Fax : 86-22-26612877
Product Detail
alloy round bar standard:Chinese GB,ASTM, DIN Material:a42CrMo,42CrMo4,4040 diameter:12-400mm length:6m or more for industry

alloy steel round barstandard:Chinese GB,ASTM, DINMaterial:42CrMo,42CrMo4,4040diameter:12-400mm length:6m or morefor industry,etc

application:gear,backshaft,drill pipe,mould

and etc

chemical composition:

C: 0.38-0.45

Si: 0.17~0.37

Mn: 0.50~0.80

S: ≤0.035

P:≤0.035

Cr: 0.90~1.20

Ni:≤0.030

Cu:≤0.030

 Mo:0.15~0.25

mechanical propertity:

tensile strength:σb (MPa)≥1080(110)

yield strength:σs (MPa)≥930(95)

elongation:σs (MPa)≥930(95)

hardness:≤217HB

sample diameter:25mm

Leading Futures:

Compared with 35CrMo, the 42CrMo has higher intensity and better hardenability for that 42CrMo bears more carbon and chromium. The fatigue strength and impact resistance of 42CrMo are promoted after tempering. The low temperature impact toughness is great and there is no temper brittleness. This kind of material is usually used after being tempered.

Application:

It is often applied for making important machinery parts, such as bearing, gear, connecting rod, transmission gear, supercharger gear, engine cylinder, spring, 1200mm~2000mm rotary shouldered connections for petroleum industry, jar knocker, substitute of hardened and tempered steel with higher chromium composition, which demand higher strength and larger size than 35CrMo.

42CrMo alloy steel round bar

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