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GBT 20R

20R


20R material is China structural steel and alloy steel.

Chemical composition of 20R, 20R mechanical properties, 20R datasheet, 20R equivalent grade, Heat treatment and temperature process of 20R.


20R property sheet

20R Spec.

Related Materials

Chemical Composition of 20R

C Max 0.20
Si 0.15-0.30
Mn 0.40-0.90
P 0.035
S 0.03

Mechanical Properties of 20R

Rp0.2 (MPa) 434 (≥)
Rm (MPa) 322 (≥)
AKV (J) 23
A (%) 33
Z (%) 11
Hardness HBW 132

20R shape and dimensions

20R Round bar: 1mm-800mm
20R Square bar: 10mm * 10mm-600mm *600mm
20R Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
20R Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
20R Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
20R Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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