Bar SAE 4140
Bars

Bar SAE 4140

American equivalent of 42CrMo4 for large diameters

Key parameters of Bar SAE 4140
Grade SAE 4140
Standard AISI/SAE 4140
Diameter Ø 101–220 mm
Length 3000–12000 mm
Supplier Asil Çelik
Lead time 8–12 weeks
EN 10204 3.1
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Technical data

Technical data

Chemical composition [%]

Chemical composition of Bar SAE 4140 in percent
C 0.38–0.43
Cr 0.80–1.10
Mo 0.15–0.25

Mechanical properties

Mechanical properties Bar SAE 4140
Yield strength Rp0.2 ≥ 700 MPa
Tensile strength Rm 950–1100 MPa
Elongation A5 ≥ 12 %

The American specification equivalent to 42CrMo4, requested by customers from the oil and mining industries.

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Usually within 24 hours, depending on the complexity of the specification

+420 224 234 322 pragointer@pragointer.cz