牌号 | X7CrNiAI17-7 |
1.4568 | |
对应标准 | NF EN 10088-2-2005
普通用途不锈钢板和钢带的交货技术条件 Part2:Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
归类 | 沉淀硬化型不锈钢 |
标签 | 特殊等级 |
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℃. |