1)alloy round bar :40Cr ,20Cr ,42CrMo 2)thickness: 1.5mm-90mm3) length:9m,12m

One of our popular products, alloy steel round bars find application in automotive and other sectors. These alloy steel bars have ideal ultrasonic test quality and are offered in following alloy steel grades:Alloy steel grades:16 mncr5, 20 mncr5, 34Cr4, 41Cr4 ,EN-8, EN- 19, EN-24, EN-31, EN-36C,EN-47, En-353 EN-354,SAE-4130, SAE-4140,SAE-8620,F-51,F-11,F-22,F-91.

Grade

Chemical Compositions ,     %

C

Si

Mn

Cr

P

S

40Cr

0.37-0.44

0.17-0.37

0.50-0.80

0.80-1.10

≤0.035

≤0.035

Grade

Mechanical Property

Yield Strength  ReH   MPa

Tensile Strength RmMPa

Elongation after Broken A%

Reduction of Area ψ%

Impact Absorbing Work   Aku2  J

40Cr

≥785

≥980

≥9

45

47

40Cr alloy steel round bar