BS 1501 PART 2 620gr.27,31 steel plate/sheet,BS 1501 PART 2 620gr.27,31 steel plate/sheet, under BS 1501 PART 2 standard, we can regard 620gr.27,31 steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels which is used for pressure vessels.
620gr.27,31 steel plate is a kind of steel which with Cr., Mo.,Cr-Mo and mainly used for pressure vessels. The steel grade 620gr.27,31 is according to BS 1501 PART 2 standard which with the yield strength of 242MPa.The followings are the chemical composition and mechanical properties of BS 1501 PART 2 620gr.27,31 steel plate.
620gr.27,31 steel Chemical Composition
| Grade | C. max |
Mn. | S. | N | Cu | Si. | P. | Cr. | Ni. | Mo. |
| 620gr.27,31 | 0.15 | 2.00 | 0.03 | - | 0.30 | 1.00 | 0.045 | 17/19 | 8/10 | - |
620gr.27,31 steel mechanical properties
| Grade | Strength Level (N/mm2) | |
| Yield Strength [MPa] | Tensile Strength [MPa] | |
| 620gr.27,31 | 345 | 550 |
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