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Henan Bebon Iron&Steel Co.,Ltd is a steel-bar-specialized factory, located in zhengzhou city, south of henan province. Found in 2000, it takes an area of 520,000 square meters.
Home > News > Industry News > ViewsSAE 4140 steel round bar Equivalent Grade
SAE 4140 steel round bar Equivalent Grade
SAE 4140 steel round bar is alloy structural steel, SAE 4140 steel round bar ,under American standard, with ASTM 4140 and AISI 4140,equivalent to GB 42CrMo, Japanese standard SCM440(SCM4), German (European standard) 42CrMo4 (1.7225).
SAE 4140 steel round bar Chemical composition(%)
C:0.38-0.43 Si:0.15-0.35 Mn:0.75-1.00 P:≤0.035 S:≤0.04 Cr:0.8-1.1 Mo:0.15-0.25
SAE 4140 steel round bar Mechanical properties
|
Condition |
Hardened & Tempered |
|
UTS |
100KSI min |
|
0.2% Proof Stress |
80KSI min |
|
Elongation |
20% min |
|
Reduction of Area |
40% min |
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