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GBT A71204

A71204


A71204 material is China structural steel and alloy steel.

Chemical composition of A71204, A71204 mechanical properties, A71204 datasheet, A71204 equivalent grade, Heat treatment and temperature process of A71204.


A71204 property sheet

A71204 Spec.

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Chemical Composition of A71204

C 0.17-0.24
Si Max 0.40
Mn 0.80-1.20
P 0.035
S 0.035
Cr —
B 0.0005-0.0035
Al 0.02

Mechanical Properties of A71204

Rp0.2 (MPa) 773 (≥)
Rm (MPa) 792 (≥)
AKV (J) 44
A (%) 12
Z (%) 44
Hardness HBW 234

A71204 shape and dimensions

A71204 Round bar: 1mm-800mm
A71204 Square bar: 10mm * 10mm-600mm *600mm
A71204 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A71204 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A71204 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A71204 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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