Shipbuilding
| Specifications | |
| Out Diameter |
1/4 inch-36 inch |
| Wall Thickness |
1.25 mm-50 mm |
| Length | 3.0m-18m |
|
Types |
|
|
Structure Purposes |
General structure and mechanical |
|
Liquid Services |
Petroleum, gas and other fluids conveying |
|
Low and Medium Pressure |
Steam and boiler manufacturing |
|
Hydraulic Pillar Service |
Hydraulic support |
|
Auto Semi-shaft Casing |
Auto sem-shaft casing |
|
Line Pipe |
Oil and gas conveying |
|
Tubing and Casing |
Oil and gas conveying |
|
Drill Pipes |
Well drilling |
|
Geological Drilling Pipes |
Geological drilling |
|
Petroleum Cracking Tubes |
Furnace tubes, heat exchangers |
|
Standard |
||
| GB standard | Seamless steel pipe for structural purpose | GB/T8162-2008 |
| Seamless steel pipe for liuid service | GB/TB8163-2008 | |
| Seamless steel tubes for low and medium boiler | GB/3087-1999 | |
| Seamless steel tubes for high pressure boiler | GB/5310-1995 | |
| Seamless carbon steel marine tubes | GB/T5312-1999 | |
| High-pressure seamless steel tubes for chemical fertilizer equipments | GB/6479-2000 | |
| ASTM standard | Black and hot-dipped zinc-coated steel pipes welded and seamless | ASTM A53 |
| Seamless carbon steel for high temperature service | ASTM A106 | |
| Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes | ASTM A179 | |
| Seamless carbon steel boiler tubes for high pressure | ASTM A192 | |
| Seamless Medium-carbon boiler and superheater tubes | ASTM A210 | |
| Seamless carbon for mechanical tubing | ASTM A519 | |
| API standard | Seamless steel pipe for casing | API Spec 5CT |
| Seamless steel pipe for line pipe | API Spec 5L | |
| DIN standard | Seamless steel tube for elevated temperture | DIN 17175 |
| Cold drawn seamless prevision pipe | DN2391 | |
| Seamless circular unalloyed steel tubes subject to special requirements | DIN 1629 | |
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