| 材料标准 Material specification | ||||||||||||||||||||
| Designation 材料名称 |
Chemical Composition 化学成分 |
Mechanical and physical properties 力学性能 |
Creep limit 蜡变极限 | |||||||||||||||||
| ACI/ASTM 美标 |
C% 碳 |
Si% 硅 |
Cr% 铬 |
Ni% 镍 |
Yield stress 0.2%Mpa min 屈服强度（Mpa） |
UTS Mpa min 抗拉强度 （Mpa） |
Elongation %min 延伸率 （%） |
Maximum working temp.in air℃ 最大工作温度 |
Creep strength 1% 10.000 hours Mpa 运行10.000小时之后产生的蜡变强度（Mpa） |
Creep strength 1% 100.000 hours Mpa 运行100.000小时之后产生的蜡变强度（Mpa） | ||||||||||
| 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | |||||||||
| A297 HC | ≤0.50 | ≤2.00 | 26.0-30.0 | ≤4.00 | - | - | - | 1000 | - | 11 | 5 | 1.5 | - | - | - | - | - | - | - | - |
| A297 HD | ≤0.50 | ≤2.00 | 26.0-30.0 | 4.0-7.0 | 240 | 515 | 8 | 1050 | - | 21.5 | 10 | 4 | 1 | - | - | - | - | - | - | - |
| A297 HF | 0.20-0.40 | ＜2.0 | 18.0-23.0 | 8.0-12.0 | 240 | 485 | 25 | 870 | - | 40 | 19 | 9 | 2 | - | 40 | 25 | 12 | 5 | - | - |
| A297 HH | 0.20-0.50 | ＜2.0 | 24.0-28.0 | 11.0-14.0 | 240 | 515 | 10 | 1000 | - | 44 | 22 | 11 | 4.5 | - | 45 | 30 | 15 | 6 | 2.8 | - |
| A297 HI | 0.20-0.50 | ≤2.00 | 26.0-30.0 | 14.0-18.0 | 240 | 485 | 10 | 1020 | - | 42 | 24 | 11 | 4 | 1.5 | - | 34 | 22 | 10 | 4 | - |
| A297 HK40 | 0.20-0.6 | ＜2.0 | 24.0-28.0 | 18.0-22.0 | 250 | 480 | 10 | 1050 | - | 57 | 35 | 18 | 8 | 2.5 | - | 45 | 32 | 17 | 6.5 | - |
| A297 HL | 0.20-0.6 | ≤2.00 | 28.0-32.0 | 18.0-22.0 | 240 | 450 | 10 | 1100 | - | 58 | 36 | 19 | 9 | 2.5 | - | 46 | 32 | 17 | 6.5 | - |
| A297 HN | 0.20-0.50 | ＜2.0 | 19.0-23.0 | 23.0-27.0 | 234 | 435 | 8 | 1050 | - | 45 | 28 | 17 | 6.5 | - | - | 42 | 28 | 16 | 6 | - |
| A297 HP35 | 0.35-0.75 | ＜2.5 | 24.0-28.0 | 33.0-37.0 | 220 | 440 | 8 | 1100 | - | 60 | 40 | 25 | 12 | 2 | - | 60 | 38 | 22 | 12 | 2.5 |
| A297 HT | 0.35-0.75 | ＜2.5 | 15.0-19.0 | 33.0-37.0 | 220 | 450 | 4 | 1020 | - | 50 | 32 | 20 | 5.5 | - | - | 48 | 30 | 18 | 5 | - |
| A297 HU | 0.35-0.75 | ＜2.5 | 17.0-21.0 | 37.0-41.0 | 206 | 450 | 4 | 1050 | - | 52 | 34 | 20 | 6 | - | - | 50 | 32 | 19 | 6 | - |
| A297 HW | 0.35-0.75 | ≤2.50 | 10.0-14.0 | 58.0-62.0 | 275 | 415 | 5 | 1100 | - | 50 | 25 | 13 | 6 | - | - | 30 | 20 | 13 | 6 | - |
| A297 HX | 0.35-0.75 | ≤2.50 | 15.0-19.0 | 64.0-68.0 | 255 | 415 | 10 | 1100 | - | 50 | 26 | 14 | 6.5 | - | - | 32 | 22 | 12 | 6.5 | - |
