P420M steel plate for pressure vessels
P420M boiler steel plate is a high-performance pressure vessel steel plate with a high strength level and can withstand large loads. It adopts the EN10028-6 standard.
P420M vessel steel plate is easy to weld and can maintain good performance after welding, which can meet the needs of complex structures. After alloying treatment and optimized chemical composition, P420M pressure vessel plate material also has certain corrosion resistance and is suitable for some corrosive environments.
GNEE is a pressure vessel steel plate supplier with 16 years of production experience. We can not only provide boiler steel plates of various specifications and sizes, but also SA516Gr55 vessel steel plate, P690QL1 boiler quality steel sheet, P355GH boiler quality steel plate, P460QH boiler steel sheet, etc. In addition, the products we provide can also provide size customization and various processing services according to your end-use needs.
Chemical composition % of P420M pressure vessel quality steel
| C | Si | Mn | Ni | P | S | Mo | V | N | Nb | Ti | Al | - |
| max 0.16 | max 0.5 | max 1.7 | max 0.5 | max 0.025 | max 0.01 | max 0.2 | max 0.1 | max 0.02 | max 0.05 | max 0.05 | max 0.02 | Cr+Cu+Mo < 0.6, V+Nb+Ti < 0.15 |
Mechanical properties of P420M boiler steel
| Rm - Tensile strength (MPa) | 500-660 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 63 |
| ReH - Minimum yield strength (MPa) | 420 | 400 | 390 |
| KV - Impact energy (J) transverse, | -20° 27 |
0° 40 |
+20° 60 |
| A - Min. elongation at fracture (%) | 19 |
