Steel plate for for Boiler Pressure Vessel EN 10028-3 P 355 N steel
P 355 N steel plate, EN 10028-3P 355 N steel plates is a kind of material for boiler and pressure vessel steel.
EN 10028-3P 355 N steel plates is characterized by a minimum yield strength of 280-355 MPa and by good weldability, so P355 Nsteel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
The following are EN 10028-3P 355 N steel plate's Chemical composition and mechanical properties.
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Chemical analysis -% by mass* (max) of P 355 N steel
Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
P 355 N | 0.10-0.22 | 0.10-1.70 | 0.015 | 0.012 | 0.30 | 0.020 | 0.03 | 0.60 | 0.025 | 0.020 | 0.30 | 0.08 | 0.30 | 0.02 |
Mechanical properties of P 355 N steel
Grade | Type | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
-20° | 0° | +20 | ||||||
P 355 N | Normalized | ≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250 | 355 | 510-650 | 20 | 27 | 34 | 40 |
345 | 510-650 | 20 | 27 | 34 | 40 | |||
335 | 460-580 | 20 | 27 | 34 | 40 | |||
315 | 490-630 | 20 | 27 | 34 | 40 | |||
295 | 480-630 | 20 | 27 | 34 | 40 | |||
280 | 470-630 | 20 | 27 | 34 | 40 |
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