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Grade | C max | Si max | Mn max | P max | S max | Al min | Cr max | Cu max | Mo max | Nb max | Ni max | Ti max | V max | B max |
PT490M | 0.18 | 0.55 | 1.60 | 0.020 | 0.020 | 0.020 | 0.30 | 0.40 | 0.20 | 0.05 | 0.50 | 0.05 | 0.10 | 0.0010 |
Plate Thickness(mm) | Yield strength ReH MPa min | Tensile strength Rm MPa | Elongation A% min | Impact Energy KV2 J min at a temperature in °C of | ||
-60 | -40 | 0 | ||||
6≤t≤50 | 315 | 490-610 | 19 | - | - | 47 |
50<t≤100 | 295 | |||||
100<t≤150 | 275 |
Grade | CEV max for nominal thickness t in mm | ||
6≤t≤50 | 50<t≤100 | 100<t≤150 | |
PT490M | 0.38 | 0.41 | 0.43 |
Others steel grades steel plate for pressure vessel and boiler equipment in the standard ISO 9328-5:
PT440M pressure vessel and boiler steel plates,
PT440ML1 pressure vessel and boiler steel plates,
PT440ML3 pressure vessel and boiler steel plates,
PT490ML1 pressure vessel and boiler steel plates,
PT490ML3 pressure vessel and boiler steel plates,
PT520M pressure vessel and boiler steel plates,
PT520ML1 pressure vessel and boiler steel plates,
PT520ML3 pressure vessel and boiler steel plates,
PT550M pressure vessel and boiler steel plates,
PT550ML1 pressure vessel and boiler steel plates