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| 牌號(hào) | X2CrTi17 |
| 1.4520 | |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | NF EN 10028-7-2008
壓力容器用不銹鋼扁平產(chǎn)品 Flat products made of steels for pressure purposes - Part 7 : stainless steels |
| 歸類 | 鐵素體不銹鋼 |
| 標(biāo)簽 | 特殊等級(jí) |
| Material designation | Heat treatment condition | Minimum 0.2% proof strength Rp0.2,MPa at a temperature (in°C) of: | ||||||||
| Name | Number | 50① | 100 | 150 | 200 | 250 | 300 | 350 | 400 | |
| X2CrTi17 | 1.4520 | +A | 198 | 195 | 180 | 170 | 160 | 155 | - | - |
| ① Determined by linear interpolation. |
| Material designation | Hot forming | Heat treatment symbol | Anneailing | |||
| Name | Number | Temperature ℃ | Type of cooling | Temperature① ℃ | Type of cooling | |
| X2CrTi17 | 1.4520 | 1100 to 800 | air | +A | 820 to 880 | air,water |
| ◎ a=air; o=oil; w=water. ◎ The temperatures of annealing should 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. |