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GBT U21252

U21252


U21252 material is China structural steel and alloy steel.

Chemical composition of U21252, U21252 mechanical properties, U21252 datasheet, U21252 equivalent grade, Heat treatment and temperature process of U21252.


U21252 property sheet

U21252 Spec.

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Chemical Composition of U21252

C 0.22-0.29
Si 0.17-0.37
Mn 0.70-1.00
P 0.035
S 0.035
Cr 0.25
Ni 0.3
Cu 0.25

Mechanical Properties of U21252

Rp0.2 (MPa) 389 (≥)
Rm (MPa) 188 (≥)
AKV (J) 22
A (%) 24
Z (%) 21
Hardness HBW 233

U21252 shape and dimensions

U21252 Round bar: 1mm-800mm
U21252 Square bar: 10mm * 10mm-600mm *600mm
U21252 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
U21252 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
U21252 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
U21252 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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