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Q345A Q345B heavy duty c channel
Q345A Q345B channel metal bar
Q345A and Q345B both belong to the Q345 series steel, and the main difference is the impact temperature.
Q345A does not do impact; Q345B does impact at 20 degrees room temperature.
Q345A mechanical properties: tensile strength 490-675; yield strength ≥ 345; elongation ≥ 21.
Q345B mechanical properties: tensile strength 490-675; yield strength ≥ 345; elongation ≥ 21.
China channel section in steel Distributors--GNEE Group
Q345A Q345B c section steel channel
Q345A Q345B chemical composition:
|
Grade |
C |
Si |
Mn |
P |
S |
V |
Nb |
Ti |
Cr |
Ni |
Cu |
|
Q345A |
≤0.20 |
≤0.50 |
≤1.70 |
≤0.045 |
≤0.045 |
≤0.15 |
≤0.07 |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
|
Q345B |
≤0.20 |
≤0.50 |
≤1.70 |
≤0.040 |
≤0.040 |
≤0.15 |
≤0.07 |
≤0.20 |
≤0.30 |
≤0.50 |
≤0.30 |
hina structural channel makers--GNEE Group
GNEE Group Receives Visiting Customers
GNEE is a professional manufacturer engaged in steel production, sales and service. We have been engaged in the domestic market for more than 20 years and have rich experience in production. Our Advantage. Quality assurance: provide high quality products while perfecting after-sales service One-stop service: we have a compatible and experienced R&D team. Independent factor: we have our own factory and give the most favorable price. Professional team: professional team to provide you with efficient service.
China steel channel section producers--GNEE Group
We have on-line heavy duty H beam steel products, welcome to visit our company, if you have more needs and questions about other steel products, please feel free to contact us!