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| 牌號 | X7CrNiAI17-7 |
| 1.4568 | |
| 對應(yīng)標準 | NF EN 10088-2-2005
普通用途不銹鋼板和鋼帶的交貨技術(shù)條件 Part2:Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
| 歸類 | 沉淀硬化型不銹鋼 |
| 標簽 | 特殊等級 |
| Material designation | Hot forming | Heat treatment symbol | Stress relieving | Solution annealing | Precipitation hardening | ||||
| Name | Number | Temperature ℃ | Type of cooling | Temperature ℃ ① | Type of cooling | Temperature ℃ ① | Type of cooling | Temperature ℃ | |
| X7CrNiAI17-7 | 1.4568 | 1150 to 900 | air | +AT | - | - | 1030 to 1050 | air | - |
| +P1450 | - | - | 10 min 945 to 965 | ② | 1 h(500 to 520) | ||||
| ◎ Temperatures of solution annealing shall be agreed for simulated heat-treated test-pieces. ① If heat-treatment is carried out in a continuous furnace, the upper part of the range specified is usually preferred, or even exceeded. ② Quick cooling to ≤ 20℃;cooling within 1 h to -70℃: holding time 8 h; reheating in air to +20℃. |