Steel pipe & tubes are classified by the following methods:
- Manufacture: Method Broadly Classified as Seamless & Welded.
- Seamless method is further classified as Hot Finished & Cold Drawn.
- Welded are classified as ERW, SAW, CDW, SW, MMAW.
- Steel Chemistry: Carbon steel, Alloy steel, Stainless Steel.
- Carbon Steel are further classified as low, Medium, high carbon, manganese steel.
- Alloy steel are further classified by composition of chrome & moly.
- Stainless steel are classified by their various composition of Nickel, crome, moly etc.
- End Use;
- Tubes are used to transferred heat load through its walls (Thickness)
- Pipes are used to transfer heat loads through its Bore
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