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GBT A70204

A70204


A70204 material is China structural steel and alloy steel.

Chemical composition of A70204, A70204 mechanical properties, A70204 datasheet, A70204 equivalent grade, Heat treatment and temperature process of A70204.


A70204 property sheet

A70204 Spec.

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Chemical Composition of A70204

C 0.17-0.24
Si Max 0.40
Mn 0.50-0.80
P 0.035
S 0.035
Cr —
B 0.0005-0.0035
Al 0.02

Mechanical Properties of A70204

Rp0.2 (MPa) 689 (≥)
Rm (MPa) 755 (≥)
AKV (J) 12
A (%) 12
Z (%) 12
Hardness HBW 221

A70204 shape and dimensions

A70204 Round bar: 1mm-800mm
A70204 Square bar: 10mm * 10mm-600mm *600mm
A70204 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A70204 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A70204 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A70204 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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