牌号 | X7CrNiAI17-7 |
---|---|
1.4568 | |
對應标準 | NF EN 10088-2-2005
普通用途不鏽鋼闆和鋼帶的交貨技術條件 Part2:Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes |
歸類 | 沉澱硬化型不鏽鋼 |
标簽 | 特殊等級 |
-
符合本歐洲标準的產品熱處理指南
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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