API 5L B LSAW speral welded steel pipe 20" * 0.375" API SPEC 5L Gr.B,X42,X46,X52,X56,X60,X65,X70,X80
ASTM A53 GR.B ERW WELDED STEEL PIPEASTM A53 Gr.B electric resistance welded(ERW) steel pipes are manufactured as per ASTM A53 specification,they are welded steel pipes made by electric resistance welding method. ASTM A53 specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 18 to NPS 26(DN6 to DN 650).It is acceptable for welding,flagging
Dec 04, 2020 · The steel plate is formed in the order of J type-C type-O type, and the diameter is expanded to JCOE welded pipe after welding, or it is not expanded to JCO welded pipe. UOE LSAW pipe forming process:The three main forming processes of UOE LSAW steel pipe forming process include:steel plate pre-bending, U forming and O forming.
Introduction to Welded Pipe Manufacturing - The Process
Electric Resistance Welding (ERW) ProcessSubmerged Arc Welding (Saw) ProcessElectric Flash Welding ProcessLap Welding ProcessSeamless Steel Pipe-Seamless Steel PipeAt present, SSG owns 3 sets of hot -rolled seamless steel pipe production line and 2 sets of hot-expanded seamless steel pipe production line with annual production capacity of 200,000 tons, the size range is from 73mm to 630mm.
LSAW Welded Steel Pipe Features and Manufacturing ProcessOutside Weld:Outside weld is the tandem multi-wire submerged arc welding on the outer part of the LSAW steel pipe welding. 8. Ultrasonic Testing:Outside and inside of the straight seam welded steel pipe and both sides of the base material are welded with 100% inspection. 9. X-ray inspection:X-ray industrial TV inspection is carried out on
In LSAW pipe mills, processing is carried out by cold forming heavy carbon steel plates, the pipe prematerial on which many of the pipe properties depend. The material of LSAW steel pipe is unit middle or heavy thickness sheet, coiled in the molding or forming machine, welded by double submerged arc welding and expand the diameter.
SSAW Pipes, Spiral submerged-arc welding pipes,Spiral SSAW steel pipe can be produced in longer length (maximum length up to 50 meters) compared to LSAW steel pipes Due to its spiral seam SSAW pipe has an accurate diameter accuracy and strength The sizes are adjustable & can be tailored to end-user requirements.
Seamless Steel Pipe/Tube (SMLS Pipe/Tube), API 5L, ASTM Seamless steel pipe has better pressure capacity, strength is higher than ERW welded steel pipe. So it is widely applied in high pressure equipment, and thermal, boiler industries. Generally the welding seam of the welded steel pipe is the weak point, the quality affect overall performance.
Jul 21, 2018 · (Longitudinally Submerged Arc Welding steel pipe) LSAW steel pipe in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production. A wide range of the finished product specifications, weld toughness, ductility, uniformity and dense, with a large diameter, wall thickness, high pressure LSAW Steel Pipe, DSAW Steel Pipe, Welded Steel PipeStraight seam welded steel pipe(lsaw steel pipe), Double-sided submerged arc welding steel pipe(dsaw steel pipe), longitudinal submerged arc welded steel pipe, high frequency straight seam welded pipe Grades of LSAW Steel Pipe:For pipeline:API 5L GR.B, X42, X45, X50, X60, X60, X65, X70, X80 For piles:ASTM A252 Sizes of LSAW Steel Pipe: