AISI 5140 Steel Round Bar Plate Sheet, DIN 1.7035, JIS SCr440

AISI 5140 steel also can be called JIS Scr440 and DIN 1.7035 steel. It is one of the alloy steel as well as the most popular steel grades in the productions of the machine. The 5140 steel round bar price is on the medium level and it was easy to processing. After tempering and quenching, the toughness, plasticity and wearing resistance of it will get better. Steel normalizing can make the spheroidizing for the organization of steel get easier. And it will raise the machinability of the semi-finished product with the hardness less than 160HBS. Tempering it at the temperature of 550℃-570℃ which can make it get better mechanical property. And the hardenability of it is higher than S45C steel. You can check 5140 Steel chemical composition and mechanical properties as below.

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5140 Steel Grade Equivalent Chart

Country China USA Germany/UK/France ISO Japan
Standard GB/T 3077-1999 ASTM A29/A29M-05 EN 10083/3-2006 ISO 683/1:1987 JIS G4053-2008
Grades 40Cr (A20402)
40CrA (A20403)
40CrE (A20406)
5140 41Cr4 (1.7035) 41Cr4 SCr440

5140 Steel Mechanical Properties

Properties Metric Imperial
Tensile strength >980 MPa 142140 psi
Yield strength >785 MPa 113855 psi
Elongation at break >9% >9%
Reduction of area >45% >45%
Hardness ≤207HB ≤207HB

Certificate & SGS Report

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