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Q345C Q345D Q345E c section channel
Q345C Q345D Q345E c channel steel beam
Q345C/D/E is low alloy steel, which is widely used in construction, bridges, vehicles, ships, pressure vessels and so on. Among them, Q345C stands for 0 degree impact; Q345D stands for -20 degree impact; Q345E stands for -40 degree impact.
Q345C mechanical properties: Tensile strength 490-675; yield strength ≥ 345; elongation: ≥ 22.
Q345D mechanical properties: tensile strength 490-675; yield strength ≥ 345; elongation: ≥ 22.
Q345E mechanical properties: tensile strength 490-675; yield strength ≥ 345; elongation: ≥ 22.
China channel section steel Factory--GNEE Group
Q345C Q345D Q345E c section steel channel
|
Grade |
C |
Si |
Mn |
P |
S |
V |
Al |
|
Q345C |
≤0.20 |
≤0.55 |
≤1.70 |
≤0.035 |
≤0.035 |
0.02-0.15 |
≥0.015 |
|
Q345D |
≤0.20 |
≤0.55 |
≤1.70 |
≤0.030 |
≤0.030 |
0.02-0.15 |
≥0.015 |
|
Q345E |
≤0.20 |
≤0.55 |
≤1.70 |
≤0.025 |
≤0.025 |
0.02-0.15 |
≥0.015 |
China channel section in steel makers--GNEE Group
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China structural channel makers--GNEE Group
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