牌号 | X2CrNiMo18-15-4 |
1.4438 | |
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 | 奥氏体不锈钢 |
标签 | 特殊等级 |
高温下的最小屈服强度
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 | 400 | 450 | 500 | 550 | 600 | |
X2CrNiMo18-15-4 | 1.4438 | +AT | 172 | 157 | 147 | 137 | 127 | 120 | 115 | 112 | 110 | 108 | - |
Minimum 1.0% proof strength Rp1.0,MPa at a temperature (in°C) of: | |||||||||||||
100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 | |||
206 | 188 | 177 | 167 | 156 | 148 | 144 | 140 | 138 | 136 | - |
高温下的最小抗拉强度
Material designation | Minimum tensile strength Rm,MPa at a temperature (in°C) of: | |||||||||||
Name | Number | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 550 | 600 |
X2CrNiMo18-15-4 | 1.4438 | 430 | 410 | 390 | 385 | 380 | 380 | - | - | - | - | - |
热处理指南
Material designation | Hot forming | Heat treatment symbol | Solution anneailing ①② | Post weld heat treatment steels with ≤ 0.07% C | ||||
Name | Number | Temperature ℃ | Type of cooling | Temperature ℃ ③④ | Type of cooling | Temperature ℃ ⑥ | Type of cooling | |
X2CrNiMo18-15-4 | 1.4438 | 1150 to 850 | air | +AT | 1070 to 1150 | water,air ⑤ | 960 to 1040 ⑦ | forced air |