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GBT Q345GJ-C

Q345GJ-C


Q345GJ-C material is China structural steel and alloy steel.

Chemical composition of Q345GJ-C, Q345GJ-C mechanical properties, Q345GJ-C datasheet, Q345GJ-C equivalent grade, Heat treatment and temperature process of Q345GJ-C.


Q345GJ-C property sheet

Q345GJ-C Spec.

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Chemical Composition of Q345GJ-C

C Max 0.20
Si Max 0.55
Mn Max 0.60
P 0.025
S 0.015
V 0.02-0.15
Nb 0.015-0.060
Al 0.015
Ti 0.01-0.10

Mechanical Properties of Q345GJ-C

Rp0.2 (MPa) 284 (≥)
Rm (MPa) 161 (≥)
AKV (J) 42
A (%) 43
Z (%) 14
Hardness HBW 423

Q345GJ-C shape and dimensions

Q345GJ-C Round bar: 1mm-800mm
Q345GJ-C Square bar: 10mm * 10mm-600mm *600mm
Q345GJ-C Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
Q345GJ-C Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
Q345GJ-C Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
Q345GJ-C Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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