| Seamless
steel pipes for high pressure boiler |
GB5310-20G
GB5310-12CrMoG
GB5310-15CrMoG
GB5310-12Cr2MoG
GB5310-12Cr1MoVG
GB5310-15MoG
GB5310-20MoG
GB5310-16M
|
245
205
235
280
255
270
240
320
|
410-550
410-560
410-640
450-600
470-640
450-600
≥415
490-670
|
5.65
A 5.65 A
5.65 A
5.65 A
5.65 A
5.65 A
5.65 A
5.65 A
|
24
21
21
20
21
22
22
21
|
0.07-0.24
0.08-0.15
0.12-0.18
0.08-0.15
0.08-0.15
0.12-0.20
0.15-0.25
0.12-0.20
|
0.17-0.37
0.17-0.37
0.17-0.37
≤0.50
0.17-0.37
0.17-0.37
0.17-0.37
0.20-0.60
|
0.35-0.65
0.40-0.70
0.40-0.70
0.40-0.70
0.40-0.70
0.40-0.80
0.40-0.80
1.20-1.60
|
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.040
|
0.030
0.030
0.030
0.030
0.030
0.030
0.030
0.040
|
--
0.40-0.70
0.80-1.10
2.00-2.50
0.90-1.20
--
--
--
|
--
0.40-0.55
0.40-0.55
0.90-1.20
0.25-0.35
0.25-0.35
0.44-0.65
--
|
--
--
--
--
0.15-0.30
--
--
--
|
| Seamless
steel tubes for petroleum cracking |
GB9948-10
GB9948-20
GB9948-12GrMo
GB9948-15GrMo
|
205
245
205
235
|
330-490
410-550
410-560
440-640
|
5.65
A 5.65 A
5.65 A
5.65 A
|
24
21
21
21
|
0.07-
0.14 0.17-0.24
0.08-0.15
0.12-0.18
|
|
0.35-0.65
0.35-0.65
0.40-0.70
0.40-0.70
|
0.035
0.035
0.035
0.035
|
0.035
0.035
0.035
0.035
|
--
--
0.40-0.70
0.80-1.10
|
|
--
--
--
--
|