Y & G International Trading Company Limited
Survival by quality; Development by Integrity.
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| Standard | ASTM B862, ASME SB862 |
| Regular Grade | 1, 2, 7, 9, 13 |
| Welded Tube | O.D: 6.35 - 1219.2mm W.T: 0.5 - 40mm |
| Length | 3000 - 6000mm or other economical lengths |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Form | Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or ‘U’bent Tubes, Hollow, LSAW Tubes Etc. |
| Type | ERW, EFW, Welded, Fabricated |
| End | Plain End, Beveled End, Treaded |
| Marking | Standard, Grade, OD, Thickness, Length, Heat No. (Or as per customer's request.) |
| Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heat exchanger |
| Test Certificate | Mill Test Certificate EN 10204/3.1 |
| TPI Report EN10204/3.2 |
Welded pipe shall be made from annealed flat-rolled products by a welding process.
The welded pipe may be further reduced by cold working or hot working.
Grades 1, 2, 2 H, 7, 7H, 11, 13, 14, 16, 16H, 17, 26H, 33, and 37 shall be furnished as-welded or annealed.
Grades 3, 12, 15, and 34 shall be furnished as annealed.
Grade 5, 23, 24, 25, 35 shall be furnished as annealed or aged.
Grade 9, 18, 38 shall be furnished as annealed. Grade 19, 20, 21 shall be furnished as solution treated, or solution treated and aged.
The materials shall conform to the required chemical composition for nitrogen, carbon, hydrogen, iron, oxygen, aluminum, vanadium, tin, ruthenium, palladium, cobalt, molybdenum, chromium, nickel, niobium, zirconium, silicon, and titanium.
They shall also conform to the required mechanical properties such as tensile strength, yield strength, and elongation.