Welded Steel Pipe - [ Previous Page ]
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APPLICATION
Welded steel pipe are used for ordinary piping, structural purpose, line pipe, OCTG, conduit, steel tube, coated steel pipe.
It is applied in steel pipe for steam, air, water, oil& gas, casing, drilling, mechanical part, architecture, pile and structure.
Welded pipes are classified into Electric Resistance Welded Pipe, Roll Bending Pipes, and Spiral Pipes.
International standards are API 5L, ASTM, ASME, JIS, DIN etc.
STANDARD & SPECIFICATION
|
Type |
Standard |
Grade |
Application |
|
Line Pipe |
API 5L(PSL1,PSL2) |
A,B, X42, X46,X52,X56, X60, X65, X70, X80 |
Transmission of petroleum & natural gas |
|
Ordinary Pipe |
ASTM A53 |
A,B |
Transmission of low pressure water, gas, air, oil & steam |
|
Structural Purposes Pipe |
JIS G3444 |
Scaffold, Pile, Structure work |
|
|
Casing and Tubing |
API 5CT, BS1387 |
Oil and Water Casing and Tubing |