牌号 | X2CrTi17 |
1.4520 | |
对应标准 | NF EN 10028-7-2000
压力容器用不锈钢扁平产品 Flat products made of steels for pressure purposes Part 7: Stainless steels |
归类 | 铁素体不锈钢 |
标签 | 特殊等级 |
Material designation | Heat treatment condition | Minimum 0.2% proof strength Rp0.2,MPa at a temperature (in°C) of: | ||||||||
Name | Number | 100 | 150 | 200 | 250 | 300 | 350 | |||
X2CrTi17 | 1.4520 | +A | 195 | 180 | 170 | 160 | 155 | - |
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. |