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GBT A20404

A20404


A20404 material is China structural steel and alloy steel.

Chemical composition of A20404, A20404 mechanical properties, A20404 datasheet, A20404 equivalent grade, Heat treatment and temperature process of A20404.


A20404 property sheet

A20404 Spec.

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Chemical Composition of A20404

C 0.38-0.45
Si Max 0.30
Mn 0.60-0.90
P 0.035
S 0.035
Cr 0.90-1.20
B —
Al —

Mechanical Properties of A20404

Rp0.2 (MPa) 986 (≥)
Rm (MPa) 957 (≥)
AKV (J) 42
A (%) 21
Z (%) 34
Hardness HBW 121

A20404 shape and dimensions

A20404 Round bar: 1mm-800mm
A20404 Square bar: 10mm * 10mm-600mm *600mm
A20404 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A20404 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A20404 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A20404 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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