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GBT Q345q

Q345q


Q345q material is China structural steel and alloy steel.

Chemical composition of Q345q, Q345q mechanical properties, Q345q datasheet, Q345q equivalent grade, Heat treatment and temperature process of Q345q.


Q345q property sheet

Q345q Spec.

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Chemical Composition of Q345q

C Max 0.17
Si Max 0.50
Mn 1.20-1.60
P 0.02
S 0.015

Mechanical Properties of Q345q

Rp0.2 (MPa) 812 (≥)
Rm (MPa) 264 (≥)
AKV (J) 21
A (%) 32
Z (%) 11
Hardness HBW 123

Q345q shape and dimensions

Q345q Round bar: 1mm-800mm
Q345q Square bar: 10mm * 10mm-600mm *600mm
Q345q Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Q345q Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Q345q Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Q345q Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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