BS 1501 620 Gr. 27 steel plate for high temperature and pressure vessels
620 Gr. 27 steel plate/sheet,BS 1501 620 Gr. 27 steel plate/sheet, under BS 1501 standard, we can regard 620 Gr. 27 steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels used for high temperature and pressure vessels.
BS 1501 620 Gr. 27 steel grade is a kind of steel which with Cr., Mo.,Cr-Mo that mainly applied for high temperature and pressure vessels.The steel grade 620 Gr. 27 is according to BS 1501 standard which with the yield strength of 228MPa.The followings are the chemical composition and mechanical properties of BS 1501 620 Gr. 27 steel plate.
620 Gr. 27 steel chemical composition
| Grades | C | Mn | S | P | Si | Cr | Ni | Cu | Mo | Nb+V+Ti |
| 620 Gr. 27 | 0.05- 0.17 | 0.40- 0.65 | 0.035 max | 0.035 max | 0.50- 0.80 | 1.0- 1.5 | - | - | 0.45- 0.60 | - |
620 Gr. 27 steel Mechanical properties
| Grade | Permissible yield point ratio | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| 620 Gr. 27 | - | 228 | 380-550 |
22 |
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