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PRODUCT DESCRIPTION
Welded steel pipe, also known as welded pipe, is a steel pipe made of rolled steel plate or strip steel and then welded. Generally, the length is 6m. The production process of welded steel pipe is simple, the production efficiency is high, there are many varieties and specifications, and the equipment investment is small, but the general strength is lower than that of seamless steel pipe.
Welded steel pipes are divided into straight seam welded pipes and spiral welded pipes according to the form of welds. Classification by production method: process classification - arc welded pipe, resistance welded pipe, (high-frequency, low-frequency) gas welded pipe, furnace welded pipe.
The smaller diameter welded pipe adopts straight seam welding, while the larger diameter welded pipe adopts spiral welding; According to the end shape of steel pipe, it can be divided into circular welded pipe and special-shaped (square, rectangular, etc.) welded pipe; According to different materials and uses, it can be divided into mining fluid transport welded steel pipe, low pressure fluid transport galvanized welded steel pipe, belt conveyor idler electric welded steel pipe, etc. According to the specification and size table in the current national standard, the outer diameter * wall thickness shall be sorted from small to large.
Size:
15 mm NB up to 1200 mm NB
Schedule:
10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160, and XXS
Shape Available:
Round, Square, Rectangle, Oval
Grades Available:
CARBON STEEL: ASTM A 106 GR. B, API 5L GR. A/B, A 53 GR. B, A 333 GR 1/6, ASTM / ASME A234 WPB, WPC, A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70
ALLOY STEEL: ASTM A335 GR. P1, P5, P9, P11, P12, P22, P91 AND ASTM A213 GR. T2, T5, T9, T11, T12, T22 WITH IBR TEST CERTIFICATE. ASTM/ASME A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91, WPL3, WPL6, WPL9
STAINLESS STEEL: ASTM/ASME A312TP304, 304L, 304H, 309, 309H, 310H, 316, 316L, 316Ti, 316H, 316LN, 317H, 317LN, 321, 410,317L, 321H, 347, 347H, 904L, 202
Duplex Steel: ASTM/ASME A815 UNS3180, 3UNS31254, UNS S32750, and S32760
Nickel Alloy: ASTM / ASME SB 564 / 160 / 472, UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600(INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3)v, Monel 500 (UNS No. N05500, Titanium (Grade I & II)
Copper Nickel: Cu-Ni 90/10, Cu-Ni 70/30
End :
Plain End, Beveled End, Threaded
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Main Product:
Carbon Steel Pipe ,
Alloy Steel Pipe ,
Carbon Steel Coil,
Galvanize Steel Coil ,
Carbon Steel Plate ,
Stainless Steel Plate
