4140 Alloy Structural Steel

ASTM 4140 Steel is a Alloy Structural Steel. AISI 4140  is a chromium molybdenum alloy steel, widely used in Oil and Gas industry and Large Machinery Strutural. Also used for  components like axles, shafts, bolts, gears and other applications. 4140 Steel Plate China Supplier and factory Otai Special Steel Supply ASTM 4140 steel in Round bar, Plate, Flat bar, Square, Forging Ring and others any shape. And provide cutting, sawing, milled, machining processing.

 

4140 Steel sheet equivalent standards:

ASTM DIN BS JIS GB
4140 1.7225/42CrMo4 42CrMo4 SCM440 42CrMo

 

4140 steel Mechanical Properties:

Tensile strength:655 MPa

Yield strength:415 MPa

Elongation at break (in 50 mm):25.70%

Poisson’s ratio:0.27-0.30