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GBT Q345GJ-E

Q345GJ-E


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

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


Q345GJ-E property sheet

Q345GJ-E Spec.

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Chemical Composition of Q345GJ-E

C Max 0.18
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-E

Rp0.2 (MPa) 763 (≥)
Rm (MPa) 187 (≥)
AKV (J) 31
A (%) 22
Z (%) 41
Hardness HBW 142

Q345GJ-E shape and dimensions

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

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