AISI 4140 Pipe Moderate Hardenability AISI 4140 Pipe For Sale

4140 Steel Grade Equivalent Chart
Country USA Germany/UK/France JAPAN
Standard ASTM A29 / A29M-05 EN 10083/3-2006 JIS G4053-2008
Grades 4140 42CrMo4(1.7225) SCM440

4140 Steel Chemical Composition
Grade C (%) Si (%) Mn(%) P (%) S (%) Cr (%) Mo (%)
4140 0.38-0.45 0.17-0.37 0.50-0.80 ≤0.035 ≤0.035 0.90-
1.20 0.15-0.25

4140 Steel Physical Properties
Properties Metric Imperial
Density 7.85 g/cm³ 0.284 lb/in³
Melting point 1416°C 2580°F

1.7225 Steel Mechanical Properties
Mechanical Properties Metric Imperial
Tensile strength 655 MPa 95000 psi
Yield strength 415 MPa 60200 psi
Bulk modulus(typical for steel) 140 GPa 20300 ksi
Shear modulus(typical for steel) 80 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break(in 50 mm) 25.70% 25.70%
Hardness, Brinell 197 197
Hardness, Knoop(converted from Brinell hardness) 219 219
Hardness, Rockwell B(converted from Brinell hardness) 92 92
Hardness, Rockwell C(converted from Brinell hardness. Value below normal HRC
range, for comparison purposes only) 13 13
Hardness, Vickers(converted from Brinell hardness) 207 207
Machinability(based on AISI 1212 as 100 machinability) 65 65

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Because of our great and reliable quality and professional service in this
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At Songshun, we believe: You Get What You Pay for.
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Songshun specialized in Special Steel for almost 20 years. We can supply mold
steel, high speed steel, alloy steel, free cutting steel and etc.Welcome your
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songshunsteel , 41404340

Minimum Order: 1 tons

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