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GBT U21702

U21702


U21702 material is China structural steel and alloy steel.

Chemical composition of U21702, U21702 mechanical properties, U21702 datasheet, U21702 equivalent grade, Heat treatment and temperature process of U21702.


U21702 property sheet

U21702 Spec.

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Chemical Composition of U21702

C 0.67-0.75
Si 0.17-0.37
Mn 0.90-1.20
P 0.035
S 0.035
Cr 0.25
Ni 0.3
Cu 0.25

Mechanical Properties of U21702

Rp0.2 (MPa) 711 (≥)
Rm (MPa) 861 (≥)
AKV (J) 24
A (%) 13
Z (%) 12
Hardness HBW 342

U21702 shape and dimensions

U21702 Round bar: 1mm-800mm
U21702 Square bar: 10mm * 10mm-600mm *600mm
U21702 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
U21702 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
U21702 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
U21702 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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