DIN 17155 19 Mn 6 Steel plate for Boiler Pressure Vessel
19 Mn 6 steel plate, DIN 17155 19 Mn 6 steel plates is a kind of material for boiler and pressure vessel steel. DIN 17155 19 Mn 6 steel plates is characterised by a minimum yield strength of 280-355 MPa and by good weldability,so 19 Mn 6 steel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids.the following are DIN 17155 19 Mn 6 steel plate's Chemical composition and mechanical properties.
| Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
| 19 Mn 6 | 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 |
19Mn6 steel Mechanical properties
| Grade | Type | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
| -20° | 0° | +20 | ||||||
| 19 Mn 6 | 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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