LARGE DIAMETER STEEL PIPES
Types Longitudinally welded (ERW and LSAW) or spirally welded (SSAW) tubes and pipes
Production Standard Produced as per major international quality standards including but not limited to API, AWWA, ASTM, DIN, BS, UNI, TS, JIS, etc. (eg. API 5L PSL 1/2, ISO 3183 A/B/C, EN 10208 part 1/2, DIN 17172, GOST 20295 type 1/2/3, TS 6047, GB T9711 for gas and petroleum line pipes, AWWA C-200, BS 534, DIN 2460, DIN 1626, TS 1997, UNI 6363, EN 10217, EN 10224 for water line pipes, EN 10217, ASTM A139, ASTM A 53, BS 3601, DIN 1626, TS 416 for general purpose pipes, ASTM A 252, EN 10219 for piling pipes)
Material Quality DIN 17100 ST 37, ST 44, ST 52, EN 10025 S235 JR/JO/J2, S275 JR/JO/J2, S355 JR/JO/J2, S450 JR/JO/J2, FE 37, FE 44, FE 52, ASTM A 53 GR A/B/C, API GR A, GR B, from X 42 upto X 80, etc.
Coating 3 layers extruded polyethylene coating (PE) acc. to DIN 30670, NFA 49710, UNI 9099, TS 5139, polypropylene coating acc. to DIN 30678, NFA 49711, polyurethane coating acc. to BS 5493, fusion bonded epoxy (FBE) coating acc. to AWWA C 210/213, NFA 49709, TS EN 10289, bitumen coating acc. to DIN 30673, BS 534, TS 4356 coal-tar enamel coating acc. to AWWA C-203, etc.
Lining Epoxy lining acc. to AWWA C-210, NFA 49709, TS EN 10289, bitumen lining acc. to DIN 30673, BS 534, coal-tar enamel lining acc. to AWWA C 213, cement mortar lining acc. to AWWA C-205, BS 534, DIN 2614, TS 8590, etc.
Pipe Ends Plain, bevelled, spherical and spigot joint
Thickness Up to 65 mm (schedule 10, 20, 30, standard, schedule 40, 60, extra strong, schedule 80 also available)
Diameter Up to 3048 mm (120 inches)
Length Up to 24 m (upto 35 m for piling pipes)
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