BS 1501 224 Gr. 490 steel is ideal for use in elevated working temperatures, BS 1501 224 Gr. 490 steel is used in the fabrication of industrial pressure vessels and boilers. It is an BS 1501 specified grade which governs steels used in pressurised service.
BS 1501 224 Gr. 490 steel is a normalized steel and has excellent welding characteristics. It is used worldwide by fabricators serving the oil and gas industry and can be found in heat exchangers, weldable pressure vessels and boilers and pipework.
Chemical analysis -% by mass* (max)
Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
224 Gr. 490 | 0.08-0.2 | 0.90-1.50 | 0.015 | 0.012 | 0.30 | 0.020 | 0.03 | 0.40 | 0.025 | 0.020 | 0.30 | 0.08 | 0.30 | 0.02 |
Mechanical properties
Grade | Type | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
-20° | 0° | +20 | ||||||
224 Gr. 490 | Normalized | ≤16 16>to≤40 40>to≤60 60>to≤100 100>to≤150 150>to≤250 | 295 | 460-580 | 21 | 27 | 34 | 40 |
290 | 460-580 | 21 | 27 | 34 | 40 | |||
285 | 460-580 | 21 | 27 | 34 | 40 | |||
260 | 460-580 | 21 | 27 | 34 | 40 | |||
235 | 440-570 | 21 | 27 | 34 | 40 | |||
220 | 430-570 | 21 | 27 | 34 | 40 |
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