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AS 4140H

4140H


4140H material is Australia Structural steel.

Chemical composition of 4140H, 4140H mechanical properties, 4140H datasheet, 4140H equivalent grade, Heat treatment and temperature process of 4140H.


4140H property sheet

4140H Spec.

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Chemical Composition of 4140H

C 0.37-0.44
Si 0.10-0.35
Mn 0.65-1.10
P 0.04
S 0.04
Cr 0.75-1.20
Mo 0.15-0.25

Mechanical Properties of 4140H

Rp0.2 (MPa) 288 (≥)
Rm (MPa) 431 (≥)
AKV (J) 24
A (%) 11
Z (%) 23
Hardness HBW 142

4140H shape and dimensions

4140H Round bar: 1mm-800mm
4140H Square bar: 10mm * 10mm-600mm *600mm
4140H Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
4140H Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
4140H Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
4140H Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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