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| Grade : | X2CrNbZr17通用耐腐蝕鋼片/板和帶材 | ||||||
| Number: | 1.4590 | ||||||
| Classification: | 鐵素體不銹鋼-特級 | ||||||
| Density: | 7.7 g/cm 3 | ||||||
| Standard: | |||||||
| EN 10088-2:2005不銹鋼。通用耐腐蝕鋼片/板和帶材交貨技術條件 | |||||||
| EN 10088-1:2005不銹鋼。不銹鋼清單 | |||||||
| Equivalent grades: | |||||||
| Chemical composition % of steel X2CrNbZr17 (1.4590): EN 10088-2-2005 | |||||||
| Zr >= 7 * ( C + N ) + 0.15 | |||||||
| 未經買方同意，不得故意將本表中未列出的元素添加到鋼材中，除非對鑄件進行精加工。 | |||||||
| C | Si | Mn | P | S | Cr | Nb | Zr |
| max 0.03 | max 1 | max 1 | max 0.04 | max 0.015 | 16 - 17.5 | 0.35 - 0.55 | max 0.15 |
| Mechanical properties of steel X2CrNbZr17 (1.4590) | |||||||
| Rm - Tensile strength (MPa) (+A) | 400-550 | ||||||
| Rp0.2 0.2% proof strength (MPa) (+A) | 230 | ||||||
| A - Min. elongation at fracture (%) (+A) | 23 | ||||||
| Properties of steel X2CrNbZr17 (1.4590) | |||||||
| Resistance to intergranular corrosion: in the delivery condition - yes; in the welded condition - yes | |||||||
