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AS 4140

4140


4140 material is Australia Structural steel.

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


4140 property sheet

4140 Spec.

Related Materials

A 276 S41400
A 314 S41400
A 473 S41400
A 580 S41400
S41400
NV7(4140)
H41400

Chemical Composition of 4140

C 0.38-0.43
Si 0.10-0.35
Mn 0.75-1.00
P 0.040 0.040
Cr 0.80-1.10
Mo 0.15-0.25

Mechanical Properties of 4140

Rp0.2 (MPa) 974 (≥)
Rm (MPa) 814 (≥)
AKV (J) 24
A (%) 21
Z (%) 42
Hardness HBW 122

4140 shape and dimensions

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

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