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GBT A20204

A20204


A20204 material is China structural steel and alloy steel.

Chemical composition of A20204, A20204 mechanical properties, A20204 datasheet, A20204 equivalent grade, Heat treatment and temperature process of A20204.


A20204 property sheet

A20204 Spec.

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Chemical Composition of A20204

C 0.17-0.23
Si Max 0.30
Mn 0.60-0.90
P 0.035
S 0.035
Cr 0.90-1.20
B —
Al 0.02

Mechanical Properties of A20204

Rp0.2 (MPa) 817 (≥)
Rm (MPa) 912 (≥)
AKV (J) 21
A (%) 12
Z (%) 24
Hardness HBW 142

A20204 shape and dimensions

A20204 Round bar: 1mm-800mm
A20204 Square bar: 10mm * 10mm-600mm *600mm
A20204 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A20204 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A20204 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A20204 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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