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GBT 45B

45B


45B material is China structural steel and alloy steel.

Chemical composition of 45B, 45B mechanical properties, 45B datasheet, 45B equivalent grade, Heat treatment and temperature process of 45B.


45B property sheet

45B Spec.

Related Materials

Chemical Composition of 45B

C 0.42-0.49
Si 0.17-0.37
Mn 0.60-0.90
B 0.0005-0.0035

Mechanical Properties of 45B

Rp0.2 (MPa) 777 (≥)
Rm (MPa) 977 (≥)
AKV (J) 21
A (%) 23
Z (%) 42
Hardness HBW 131

45B shape and dimensions

45B Round bar: 1mm-800mm
45B Square bar: 10mm * 10mm-600mm *600mm
45B Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
45B Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
45B Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
45B Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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