Q345B High Strength Structural Steel Pipe Chemical Composition and Mechanical Property
Grade | C % | Si % | Mn | P % | S % | |
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 | |
Grade | Thickness | Yield Strength (Mpa) | Tensile Strength | Elongation | Impact Energy | |
(mm) | (MPa) | (%) | Min | |||
Q345B | ≤ 16 | 345 | 470-630 | 21 | 20 | 34J |
>16-35 | 325 | 470-630 | 21 | 20 | 34J | |
>35 | 295 | 470-630 | 21 | 20 | 34J | |
The min impact energy is longitudinal energy |
Why Choose GNEE
GNEE has been engaged in the steel industry for more than 16 years. It has two steel pipe and plate series production and processing factories and three storage warehouses. Our annual production scale can reach 500,000 tons, and the warehouse inventory exceeds 20,000 tons per year.
In addition, we can also provide processing procedures for steel products, such as rust prevention, cutting and chamfering, connection, heat treatment, bending, galvanizing, polishing, beveling, pickling, spraying, CNC machining, etc.
If you would like to know more about our company or our products, please feel free to contact us.
FAQ
Q: Do you have quality control?
A: Yes, we have gained BV, SGS authentication.
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.