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 |
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符合本欧洲标准的产品热处理指南
Material designation Hot forming Heat treatment
symbolStress relieving Solution annealing Precipitation
hardeningName Number Temperature
℃Type of
coolingTemperature
℃ ①Type of
coolingTemperature
℃ ①Type of
coolingTemperature
℃X7CrNiAI17-7 1.4568 1150 to 900 air +AT - - 1030 to 1050 air - +P1450 - - 10 min
945 to 965② 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℃.
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