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GBT Q345GNH

Q345GNH


Q345GNH material is China structural steel and alloy steel.

Chemical composition of Q345GNH, Q345GNH mechanical properties, Q345GNH datasheet, Q345GNH equivalent grade, Heat treatment and temperature process of Q345GNH.


Q345GNH property sheet

Q345GNH Spec.

Related Materials

Chemical Composition of Q345GNH

C Max 0.12
Si 0.20-0.60
Mn 0.50-0.90
S 0.035
Cu 0.25-0.50
Ti Max 0.03
other RE Max 0.15

Mechanical Properties of Q345GNH

Rp0.2 (MPa) 896 (≥)
Rm (MPa) 623 (≥)
AKV (J) 41
A (%) 11
Z (%) 23
Hardness HBW 442

Q345GNH shape and dimensions

Q345GNH Round bar: 1mm-800mm
Q345GNH Square bar: 10mm * 10mm-600mm *600mm
Q345GNH Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Q345GNH Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Q345GNH Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Q345GNH Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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