Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe
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oil well casing pipe


oil well casing pipe
Standards: API 5L, API5CT, ASTM A106, ANSI, ISO9001, DIN, EN, JIS 
Material: J55, K55, N80, P110, L80/Gr. BX42, X46, X52, X56/X65, X70 
Seamless (SMLS) Steel Pipe is made from a solid round steel 'billet' which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. The seamless pipe is then finished to dimensional and wall thickness specifications in sizes from 1/8 inch to 26 inch OD. 
NPT can secure and process your Seamless Pipe order, including specialized requirements and cut to length up to 50 feet in length. 
oil well casing pipe
Material: 10#. 20#. 35#. 45#. St37. St45. St52.20Cr. 40Cr. 16Mn 
OD: 4-30mm 
WT: 0.5-8mm 
Standards: ASTM A179, ASTM A192, DIN2391-1, GB8163, GB8713, GB3639, EN10305-1, ASTM A556M, DIN17175 etc. 
Type: Seamless 
Form: Round/Square 
Length: Random or fixed 
Technique: Cold rolling or cold drawn 
End: Plain End 

Application: Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building, liquid service, petroleum cracking, chemical fertilizer equipment, drawing-oil-equipment and structure purposes. 
Packing: Bundles, seaworthy packing or as per customers' requirements (plastic caps, oil, painting, etc). 

We are committed to supplying the needs of our global customers in the most timely and cost effective manner possible. 
NPT provides customers: Fast delivery - High quality - Good service.

oil well casing pipe schedule

SIZE(MM) OD*Wall Thickness          
6× 1 18× 5 32× 7-8 48× 9-10 70× 4-5 83× 4-5 102× 25-26 127× 30-32
6× 2 20× 1-1.5 32× 9-10 48× 12-14 70× 6-7 83× 6-7 102× 28-30 127× 34-35
7× 1 20× 2-2.5 34× 2-3 51× 3-3.5 70× 8-9 83× 8-10 102× 32 133× 4-4.5
7× 2 20× 3-3.5 34× 4-5 51× 4-6 70× 10-12 83× 12-14 108× 4-4.5 133× 5-6
8× 1 20× 4-5 34× 6-7 51× 8-10 70× 14-16 83× 16-18 108× 5-6 133× 8-10
8× 2 22× 2-2.5 34× 8-9 51× 12-14 70× 18-20 83× 20-22 108× 8-10 133× 12-14
8× 2-5 22× 3-3.5 38× 2-2.5 51× 16 70× 22 83× 24 108× 12-14 133× 16-18
9× 1 22× 4-5 38× 3-3.5 60× 3-5 73× 4-5 89× -4.5 108× 16-18 133× 20-22
9× 2 22× 6-7 38× 4-4.5 60× 4-5 73× 6-7 89× 5-6 108× 20-22 133× 24-26
10× 1 22× 8 38× 5-6 60× 6-7 73× 8-9 89× 8-10 108× 24-25 133× 28-30
10× 2 25× 2-2.5 38× 7-8 60× 8-10 73× 10-12 89× 12-14 108× 26-28 133× 32-34
10× 2-5 25× 3-3.5 38× 9-10 60× 12-14 73× 12-14 89× 16-18 108× 30-32 133× 35-36
10× 3 25× 4-5 38× 12 60× 3-3.5 73× 16-18 89× 20-22 108× 35 140× 4-4.5
12× 1 25× 6-7 42× 2-2.5 63.5× 3-3.5 73× 20 89× 24-25 121× 4-5 140× 5-6
12× 1.5 25× 8-10 42× 3-3.5 63.5× 4-5 76× 4-5 89× 26 121× 6-8 140× 8-10
12× 2-2.5 27× 2.5× -3 42× 4-5 63.5× 6-7 76× 6-7 95× 5-6 121× 10-12 140× 12-14
12× 3-3.5 27× 4-5 42× 6-7 63.5× 3-9 76× 8-9 95× 7-8 121× 14-16 140× 16-18
14× 1 27× 6-7 42× 8-9 63.5× 10-12 76× 10-12 95× 10-12 121× 18-20 140× 20-22
14× 2-2.5 27× 8-10 42× 10-12 63.5× 14-16 76× 12-14 95× 14-16 121× 22-24 140× 24-26
14× 3-4 28× 8-2.5 45× 2.5-3 63.5× 18 76× 16-18 95× 18-20 121× 26-28 140× 28-30
14× 5 28× 3-3.5 45× 3.5-4 63.5× 20 76× 20-22 95× 22-24 121× 30-32 140× 32-34
16× 1-1.5 28× 4-4.5 45× 5-6 68× 3-4 80× 4-5 95× 25-26 121× 34-35 140× 35-36
16× 2-2.5 28× 5-6 45× 7-8 68× 5-6 80× 5-6 102× 4-4.5 127× 4-5 140× 38-40
16× 3-4 28× 7-8 45× 9-10 68× 7-8 80× 6-7 102× 5-6 127× 6-8 140× 42-45
16× 5 28× 9-10 45× 12-14 68× 9-10 80× 8-9 102× 7-8 127× 10-12 140× 46
18× 1-1.5 32× 2-2.5 48× 3-3.5 68× 12-14 80× 10-12 102× 10-12 127× 14-16 146× 4-5
18× 2-2.5 32× 3-3.5 48× 4-4.5 68× 14-16 80× 14-16 102× 14-16 127× 18-20 146× 6-8
18× 3-3.5 32× 4-4.5 48× 5-6 68× 18-20 80× 18-20 102× 18-20 127× 22-24 146× 10-12
18× 4-4.5 32× 5-6 48× 7-8 68× 22 80× 22 102× 22-24 127× 26-28 146× 14-16
146× 18-20 159× 26-28 180× 30-32 203× 38-40 245× 35-36 325× 18-20 355× 45-50 406× 9-10
146× 22-24 159× 30-32 180× 34-35 203× 42-44 245× 38-40 325× 22-24 377× 9-10 406× 11-12
146× 25-26 159× 34-35 180× 36-38 203× 45-46 245× 45-50 325× 25-26 377× 11-12 406× 14-16
146× 28-30 159× 36-38 180× 40-42 203× 48-50 245× 55 325× 28-30 377× 14-15 406× 18-20
146× 32-34 159× 40-42 180× 44-45 203× 55 273× 7-8 325× 32-34 377× 16-18 406× 25-30
146× 35-36 159× 44-45 180× 46-48 219× 6-7 273× 9-10 325× 35-36 377× 20-22 406× 35-40
146× 38-40 159× 46 180× 50-52 219× 8-9 273× 12-14 325× 38-40 377× 24-25 406× 45-50
146× 42-44 168× 4-4.5 194× 6-7 219× 10-12 273× 15-16 325× 42-45 377× 26-28 406× 55-60
146× 45-46 168× 5-6 194× 8-10 219× 14-16 273× 18-20 325× 48-50 377× 30-32 426× 70-85
152× 4-4.5 168× 7-8 194× 12-14 219× 18-20 273× 22-24 325× 55-60 377× 34-35 426× 9-10
152× 5-6 168× 10-12 194× 16-18 219× 22-24 273× 25-26 351× 8-9 377× 36-38 426× 11-12
152× 8-10 168× 14-16 194× 20-22 219× 25-26 273× 28-30 351× 10-11 377× 40-42 426× 14-16
152× 12-14 168× 18-20 194× 24-26 219× 28-30 273× 32-35 351× 12-14 377× 48-50 426× 18-20
152× 16-18 168× 22-24 194× 28-30 219× 32-34 273× 38-40 351× 16-18 377× 55-60 426× 22-24
152× 20-22 168× 26-28 194× 32-34 219× 35-36 273× 45-48 351× 20-22 402× 9-10 426× 26-28
152× 24-26 168× 30-32 194× 36-38 219× 38-40 273× 50-55 351× 24-25 402× 11-12 426× 30-32
152× 28-30 168× 34-35 194× 40-42 219× 42-44 299× 9-10 351× 26-28 402× 14-16 426× 34-35
152× 32-34 168× 36-38 194× 44-45 219× 45-48 299× 12-14 351× 30-32 402× 18-20 426× 36-38
152× 35-36 168× 40-42 194× 46-48 219× 50-52 299× 16-18 351× 34-35 402× 22-24 426× 40-42
152× 38-40 168× 44-45 194× 50-52 219× 50 299× 20-22 351× 38-40 402× 25-26 426× 45-48
152× 42-44 168× 46-48 203× 6-7 245× 7 299× 24-25 351× 42-45 402× 28-30 426× 50-55
152× 45-46 168× 50-52 203× 8-9 245× 8-9 299× 26-28 351× 48-50 402× 32-34 426× 60-65
159× 4-4.5 180× 6-7 203× 10-12 245× 10-12 299× 30-32 351× 55-60 402× 35-36 426× 70-80
159× 5-6 180× 8-9 203× 14-16 245× 14-16 299× 34-35 355× 8-9 402× 38-40 426× 100
159× 8-10 180× 10-12 203× 18-20 245× 18-20 299× 40-45 355× 10-11 402× 42-44 450× 8-9
159× 12-14 180× 14-16 203× 22-24 245× 22-24 299× 50-55 355× 12-14 402× 45-48 450× 10-11
159× 16-18 180× 18-20 203× 26-28 245× 25-26 325× 8-9 355× 18-20 402× 50-55 450× 12-14
159× 20-22 180× 22-24 203× 30-32 245× 28-30 325× 10-12 355× 25-30 402× 58-60 450× 16-18
159× 24-25 180× 26-28 203× 34-36 245× 32-34 325× 14-16 355× 35-40 402× 65 450× 20-22
450× 24-25 480× 80 530× 42-45 630× 50-55 480× 18-20 500× 60-65 560× 45-50 720× 30-32
450× 26-28 500× 9-10 530× 48-50 630× 60-70 480× 22-24 500× 70 560× 60-70 720× 34-36
450× 30-32 500× 11-12 530× 55-60 630× 80-90 480× 25-26 530× 9-10 630× 11-12 720× 38-40
450× 34-35 500× 14-16 530× 65-70 630× 100 480× 28-30 530× 11-12 630× 14-16 720× 45-50
450× 36-38 500× 18-20 530× 80-85 630× 110 480× 32-34 530× 14-16 630× 18-20 720× 55-60
450× 40-42 500× 22-24 530× 90-100 720× 9-10 480× 35-36 530× 18-20 630× 22-25 720× 80-135
450× 44-45 500× 26-28 530× 120 720× 11-12 480× 38-40 530× 22-24 630× 26-28 960× 10-12
450× 46-48 500× 30-32 560× 9-10 720× 13-14 480× 42-45 530× 26-28 630× 30-32 960× 14-16
450× 50-52 500× 34-36 560× 11-12 720× 15-16 480× 46-48 530× 30-32 630× 35-38 960× 20-120
480× 9-10 500× 38-40 560× 18-20 720× 18-20 480× 50-55 530× 34-36 630× 40-42  
480× 11-12 500× 45-48 560× 25-30 720× 22-24 480× 60-70 530× 38-40 630× 45-48  
480× 14-16 500× 50-55 560× 35-40 720× 26-28        

 

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