牌號(hào) | X2CrNiMoN29-7-2 |
1.4477 | |
對(duì)應(yīng)標(biāo)準(zhǔn) | 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 | 雙相不銹鋼 |
標(biāo)簽 | 特殊等級(jí) |
說(shuō)明 | 專利鋼 |
Material designation | Heat treatment condition | Minimum 0.2%-proof strength,MPa at a temperature (in°C) of: | ||||
Name | Number | 100 | 150 | 200 | 250 | |
X2CrNiMoN29-7-2 | 1.4477 | +AT | 500 | 460 | 430 | 400 |
Material designation | Hot forming | Heat treatment symbol | Solution anneailing | |||
Name | Number | Temperature ℃ | Type of cooling | Temperature① ℃ | Type of cooling② | |
X2CrNiMoN29-7-2 | 1.4477 | 1150 to 1000 | air | +AT | 1040 to 1120 | water,air |
◎ Temperature 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 specifled is usually preferred or even exceeded. ② Cooling sufficiently rapidly in order to avoid precipitaion. |