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GBT A70284

A70284


A70284 material is China structural steel and alloy steel.

Chemical composition of A70284, A70284 mechanical properties, A70284 datasheet, A70284 equivalent grade, Heat treatment and temperature process of A70284.


A70284 property sheet

A70284 Spec.

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Chemical Composition of A70284

C 0.25-0.32
Si Max 0.40
Mn 0.60-0.90
P 0.035
S 0.035
Cr —
B 0.0005-0.0035
Al 0.02

Mechanical Properties of A70284

Rp0.2 (MPa) 534 (≥)
Rm (MPa) 152 (≥)
AKV (J) 12
A (%) 22
Z (%) 12
Hardness HBW 132

A70284 shape and dimensions

A70284 Round bar: 1mm-800mm
A70284 Square bar: 10mm * 10mm-600mm *600mm
A70284 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A70284 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A70284 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A70284 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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