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GBT A74204

A74204


A74204 material is China structural steel and alloy steel.

Chemical composition of A74204, A74204 mechanical properties, A74204 datasheet, A74204 equivalent grade, Heat treatment and temperature process of A74204.


A74204 property sheet

A74204 Spec.

Related Materials

Chemical Composition of A74204

C 0.19-0.24
Si Max 0.30
Mn 1.30-1.60
P 0.035
S 0.035
Cr —
B 0.0005-0.0035
Al 0.02
Ti 0.04-0.10

Mechanical Properties of A74204

Rp0.2 (MPa) 661 (≥)
Rm (MPa) 565 (≥)
AKV (J) 44
A (%) 21
Z (%) 21
Hardness HBW 411

A74204 shape and dimensions

A74204 Round bar: 1mm-800mm
A74204 Square bar: 10mm * 10mm-600mm *600mm
A74204 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A74204 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A74204 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A74204 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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