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GBT 20G

20G


20G material is China structural steel and alloy steel.

Chemical composition of 20G, 20G mechanical properties, 20G datasheet, 20G equivalent grade, Heat treatment and temperature process of 20G.


20G property sheet

20G Spec.

Related Materials

X120Mn12, 1.3401, A128, X110Mn14

Chemical Composition of 20G

C 0.17-0.24
Si 0.17-0.37
Mn 0.35-0.65
P 0.03
S 0.03

Mechanical Properties of 20G

Rp0.2 (MPa) 375 (≥)
Rm (MPa) 477 (≥)
AKV (J) 31
A (%) 23
Z (%) 11
Hardness HBW 122

20G shape and dimensions

20G Round bar: 1mm-800mm
20G Square bar: 10mm * 10mm-600mm *600mm
20G Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
20G Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
20G Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
20G Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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