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GBT Q390GNH

Q390GNH


Q390GNH material is China structural steel and alloy steel.

Chemical composition of Q390GNH, Q390GNH mechanical properties, Q390GNH datasheet, Q390GNH equivalent grade, Heat treatment and temperature process of Q390GNH.


Q390GNH property sheet

Q390GNH Spec.

Related Materials

Chemical Composition of Q390GNH

C Max 0.12
Si 0.15-0.65
Mn Max 1.40
S 0.035
Cu 0.25-0.55
Ti Max 0.10
other RE Max 0.12

Mechanical Properties of Q390GNH

Rp0.2 (MPa) 628 (≥)
Rm (MPa) 244 (≥)
AKV (J) 41
A (%) 32
Z (%) 34
Hardness HBW 434

Q390GNH shape and dimensions

Q390GNH Round bar: 1mm-800mm
Q390GNH Square bar: 10mm * 10mm-600mm *600mm
Q390GNH Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Q390GNH Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Q390GNH Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Q390GNH Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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