ASTM A302 Grade B/A302 Gr.B vessel plates boiler steel sheets are manganese-molybdeum-nickel Alloy steel plates, which are widely used in petroleum, chemical industry, power station, boiler, etc, to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station and so on.
ASTM A302 Grade B/A302 Gr.B vessel plates boiler steel sheets chemical composition:
| Steel Grade | The Element Max (%) | ||||||
| C | Si | Mn | P | S | Mo | Ni | |
| A302 Grade B | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | - |
ASTM A302 Grade B/A302 Gr.B vessel plates boiler steel sheets mechanical property:
| Steel Grade | Thickness | Yield | Tensile | Elongation |
| A302 Grade B | 6-50 | 345 Mpa | 550-690 Mpa | 18% |
| 50-200 | 345 Mpa | 550-690 Mpa | 15% |
BBN has supplied ASTM A302 Grade B/A302 Gr.B vessel plates boiler steel sheets for clients all over the world to manufacturer pressure vessel, boiler, storage tanks and heat exchanger in oil, gas projects. BBN steel can roll the maximum thickness for ASTM A302 Grade B/A302 Gr.B vessel plates boiler steel sheets in 300 millimeters,and also gurantee the steel properity including mechanical properity and chemical composition completely in line with the standard ASTM A302/A302M.Now BBN steel is the only one supplier can do this gurantee in China.
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!
