Introduction to Seamless Pipe:
A seamless pipe is a type of steel pipe that is manufactured without any welding seam or joint along its length. It is produced by piercing a solid billet of steel to form a hollow cylindrical shape, which is then elongated and shaped into the desired diameter and thickness through hot or cold rolling processes. Seamless pipes are widely used in various industries for conveying fluids, gases, and solids under high-pressure and high-temperature conditions.
Grades : Q 235,Q355,S235,S235JR, SS400, A36,A572 etc.
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| Material ： | SA516 GR70, SS400, S355JR, A53, A36, SM400A, St37-2, SA283Gr, S235JR, S235J0, S235J2A36, A53, A106, A192, ST52, Q355, A210, T12, T11, P5, P9, P91, T32, A3 , 4140, 5135, etc. |
| grade： | 1.7220、1.7336、1.2601、1.7380、1.7335、1.0033、1.0116 |
| size | Outer diameter | seamless：17-914mm 3/8"-36" |
| wall thickness | 2-60mm SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 |
| length | 1-12mAccording to customer requirements |
| Finish | Plain end/bevel, both ends protected by plastic caps, square cut, grooved, threaded and coupled, etc. |
| surface treatment | Nude color, spray black, spray paint, galvanized, anti-corrosion 3PE PP/EP/FBE coating |
| Technical method | Hot Rolled/Cold Drawn/Hot Expanded |
| Test Methods | Pressure testing, flaw detection, eddy current testing, hydrostatic testing or ultrasonic inspection and chemical and physical property inspection |
| third party inspection | SGS BV Notary Office |
| terms of trade | FOB CIF CFR |
| payment terms | FOB 30%T/T,70% before shipment |
| CIF 30% advance payment, the balance paid on the bill of lading (copy) |
| or irrevocable 100% letter of credit at sight |
| product name | Material | standard | Dimensions (mm) | application |
| Cryogenic tube | 16MnDG；10MnDG；09DG；09Mn2VDG；06Ni3MoDG；ASTM A333 | GB/T18984-2003；ASTM A333 | Outer diameter: 8-1240*weight: 1-200 | Suitable for - 45℃～195℃ low temperature pressure vessels and low temperature heat exchange tubes |
| High pressure boiler tube | 20G；ASTM A106B；ASTMA210；AST45.8-III | GB5310-1995；ASTM SA106；ASTM SA210；DIN17175-79 | Outer diameter: 8-1240*weight: 1-200 | Suitable for manufacturing high-pressure boiler tubes, headers, steam tubes, etc. |
| General structure of the tube | 10#,20#,45#,27SiMn,ASTM A53A,B16Mn,Q345 | GB/T8162-2008；GB/T17396-1998；ASTM A53 | Outer diameter: 8-1240*weight: 1-200 | Suitable for general structure, engineering support, machining, etc. |
| Oil Casing | J55,K55,N80,L80C90,C95,P110 | API specification 5CTISO11960 | Outer diameter: 60-508*weight: 4.24-16.13 | It is used to extract oil or gas from the oil well casing, and is used for the side wall of oil and gas wells |
