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D40


D40 material is Structural steel.

Chemical composition of D40, D40 mechanical properties, D40 datasheet, D40 equivalent grade, Heat treatment and temperature process of D40.


D40 property sheet

D40 Spec.

Related Materials

Chemical Composition of D40

C 0.18
Si 0.10-0.50
Mn 0.90-1.60
P 0.040
S 0.040
Cr 0.20
Ni 0.40-0.70
Mo 0.08
V Max 0.10
Al 0.080 0.35

Mechanical Properties of D40

Rp0.2 (MPa) 494 (≥)
Rm (MPa) 638 (≥)
AKV (J) 43
A (%) 34
Z (%) 13
Hardness HBW 124

D40 shape and dimensions

D40 Round bar: 1mm-800mm
D40 Square bar: 10mm * 10mm-600mm *600mm
D40 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
D40 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
D40 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
D40 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes