| 钢号 |
基准温度(0C) |
工作温度t(度) |
|
10、20、25
ZG200、ZG250 |
200 |
250 |
300 |
350 |
400 |
425 |
435 |
445 |
455 |
* |
* |
* |
* |
* |
|
15CrMo
ZG20CrMo |
200 |
320 |
450 |
490 |
500 |
510 |
515 |
525 |
534 |
545 |
* |
* |
* |
* |
|
12Cr1MoV
15CrMo1V
ZG20CrMoV
ZG15Cr1Mo1V |
200 |
320 |
450 |
510 |
520 |
530 |
540 |
550 |
560 |
570 |
* |
* |
* |
* |
|
1Cr5Mo
ZG1Cr5Mo |
200 |
325 |
390 |
430 |
450 |
470 |
490 |
500 |
510 |
520 |
530 |
540 |
550 |
* |
|
1Cr18Ni9Ti
ZG1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
ZG1Cr18Ni12Mo2Ti |
200 |
300 |
400 |
480 |
520 |
560 |
590 |
610 |
630 |
640 |
660 |
675 |
690 |
700 |
| PN(MPa) |
Ps(MPa) |
最大工作压力Ptmax(MPa) |
| 1.6 |
2.4 |
1.6 |
1.4 |
1.25 |
1.1 |
1.0 |
0.90 |
0.80 |
0.70 |
0.64 |
0.56 |
0.50 |
0.45 |
0.40 |
0.36 |
| 2.5 |
3.8 |
2.5 |
2.2 |
2.0 |
1.8 |
1.6 |
1.4 |
1.25 |
1.1 |
1.0 |
0.9 |
0.80 |
0.70 |
0.64 |
0.56 |
| 4.0 |
6.0 |
4.0 |
3.6 |
3.2 |
2.8 |
2.5 |
2.2 |
2.0 |
1.8 |
1.6 |
1.4 |
1.25 |
1.1 |
1.0 |
0.90 |
| 6.4 |
9.6 |
6.4 |
5.6 |
5.0 |
4.5 |
4.0 |
3.6 |
3.2 |
2.8 |
2.5 |
2.2 |
2.0 |
1.8 |
1.6 |
1.4 |
| 10.0 |
15.0 |
10.0 |
9.0 |
8.0 |
7.1 |
6.4 |
5.6 |
5.0 |
4.5 |
4.0 |
3.6 |
3.2 |
2.8 |
2.5 |
2.2 |
| 16.0 |
24.0 |
16.0 |
14.0 |
12.5 |
11.2 |
10.0 |
9.0 |
8.0 |
7.1 |
6.4 |
5.6 |
5.0 |
4.5 |
4.0 |
3.6 |
| 20.0 |
30.0 |
20.0 |
18.0 |
16.0 |
14.0 |
12.5 |
11.2 |
10.0 |
9.0 |
8.0 |
7.1 |
6.4 |
5.6 |
5.0 |
4.5 |
| 25.0 |
38.0 |
25.0 |
22.5 |
20.0 |
18.0 |
16.0 |
14.0 |
12.5 |
11.2 |
10.0 |
9.0 |
8.0 |
7.1 |
6.4 |
5.6 |
| 32.0 |
48.0 |
32.0 |
28.0 |
25.0 |
22.5 |
20.0 |
18.0 |
16.0 |
14.0 |
12.5 |
11.2 |
10.0 |
9.0 |
8.0 |
7.1 |
| 40.0 |
56.0 |
40.0 |
36.0 |
32.0 |
28.0 |
25.0 |
22.5 |
20.0 |
18.0 |
16.0 |
14.0 |
12.5 |
11.2 |
10.0 |
9.0 |
| 50.0 |
70.0 |
50.0 |
45.0 |
40.0 |
36.0 |
32.0 |
28.0 |
25.0 |
22.5 |
20.0 |
18.0 |
16.0 |
14.0 |
12.5 |
11.2 |
| 64.0 |
90.0 |
64.0 |
56.0 |
50.0 |
45.0 |
40.0 |
36.0 |
32.0 |
28.0 |
25.0 |
22.5 |
20.0 |
18.0 |
16.0 |
14.0 |
| 80.0 |
110.0 |
80.0 |
71.0 |
64.0 |
56.0 |
50.0 |
45.0 |
40.0 |
36.0 |
32.0 |
28.0 |
25.0 |
22.5 |
20.0 |
18.0 |
| 100.0 |
130.0 |
100.0 |
90.0 |
80.0 |
71.0 |
64.0 |
56.0 |
50.0 |
45.0 |
40.0 |
36.0 |
32.0 |
28.0 |
25.0 |
22.0 |
|
注:当工作温度为表中温度级之中间值时,可用内插法决定最大工作压力。
说明:按JB/T3595-93《电站阀门制造技术条件》的压力—温度等级表要求,碳钢阀门不推荐在工作温度量450度长期使用,但在我国96年劳动部颁发的《蒸汽锅炉
|
|