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  • Product name: Petroleum cracking pipe
  • ID: 009

Petroleum cracking pipe
Standard
European standards
And the American Society for Testing and Materials Standards
Use
For machining large diameter seamless steel pipe
Grade

Standard
Grade
GB9948
10、20、12CrMo、15CrMo、1Cr2Mo、1Cr5Mo、1Cr19Ni9、1Cr19Ni11Nb

Size

Outside diameter
Wall thickness mm
inch
mm
2
2.6
3.6
4.5
5.5
7.1
9.5
12.5
13
14-16
17-19
20-25
31-60
61-70
81-90
91-120
0.84
21.3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.05
26.7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.315
33.4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.66
42.2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.9
48.3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2.375
60.3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2.875
73
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3.5
88.9
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4
101.6
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4.5
114.3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5.563
141.3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6.625
168.3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8.625
219.1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10.75
273
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
12.75
323.9
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14
355.6
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
16
406.4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
18
457
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
20
508
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
22
559
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
24
610
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
26
660.4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
28
711.2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
30
762
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
32
813
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
34
864
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
36
914
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
38
965
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

Note:Other size can also be provided after consuliting with customers