GB/T8162 Q345D Steel pipe
GB/T8162 Q345D Steel Pipe Specification:
Standard: GB/T8162
Dimension: Out Diameter: 114mm-914mm
Wall Thickness: 4mm-40mm
Q345D Steel pipe chemical composition:
Grade |
C % |
Si % |
Mn % |
Cr % max |
Ni % max |
Cu % max |
P % max |
S % max |
Q345D |
< 0.18 |
< 0.50 |
< 1.70 |
0.30 |
0.50 |
0.30 |
0.30 |
0.30 |
Q345D Steel pipe Mechanical Property:
Steel grade |
Tensile strength Rm/MPa |
Yield Strength Rel/MPa |
Break elongation A% |
Q345D |
470-630 |
>345 |
21 |
GB/T8162 Q345D Steel Application:
Q345D Steel pipe is mainly used in ships, boilers, pressure vessels, oil storage tanks, bridges, power station equipment, up welding structure lifting transport machinery and other higher load.
Source:
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