Grade | C | Si | Mn | P | S | Alt |
B440QZR | ≤0.12 | ≤0.50 | ≤1.30 | ≤0.030 | ≤0.025 | --- |
Grade | Down Yield Strength MPa |
Tensile Strength MPa |
Yield Ratio | Elongation % L0= 5.65√S0 |
180° Bending test Apex diameter |
B440QZR | ≥320 | 440~570 | --- | ≥15 | 1a |
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
Henan BEBON Iron&Steel co.,ltd.