Grade | C | Si | Mn | P | S | Alt |
B440QK | ≤0.21 | ≤0.35 | ≤1.80 | ≤0.030 | ≤0.025 | ≥0.010 |
Grade | Stretching test L0=50mm b=25mm |
180° Bending test Apex diameter |
||
Down Yield Strength MPa |
Tensile Strength MPa |
Elongation % L0= 5.65√S0 |
||
B440QK | ≥295 | ≥440 | ≥34 | 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.