Octal supply API 5L welded (ERW, EFW, LSAW, SSAW) steel line pipe in Gr B, X42, X46, X52, X56, X60, X65, X70, X80 PSL1, PSL2 and for sour service (NACE pipe).Line pipe brief introduction. API 5L steel line pipe is for oil and gas industries pipelines, developed for different working environments. China Q235b Steel Pipe, Q235b Steel Pipe Manufacturers China Q235b Steel Pipe manufacturers - Select 2021 high quality Q235b Steel Pipe products in best price from certified Chinese Steel Pipe, Steel Tube suppliers, wholesalers and
Q235B spiral pipe is a commonly used raw material in spiral pipes.It is a spiral seam steel pipe welded with strip steel coil as the raw material and active double wire double-sided submerged arc welding. ERW ,Spiral weld Pipe Definition and - Abter SteelJan 21, 2018 · Spiral steel pipe& Welded Pipe Manufacturing Process Spiral steel pipe & Welded Pipe is the primary manufacturing process for steel thicknesses that exceed spiral mill capabilities (greater than 1). Electric resistance weld (ERW) pipe Definition :is normally produced in sizes from 2-³ OD thru 24 OD.ERW is produced from individual sheets or continuously from rolls of skelp ERW carbon steel pipe vs spiral pipeERW carbon steel pipe vs spiral pipe:First, the difference between the production process ERW carbon steel pipe is the hot rolled coil through the continuous roll forming, the use of high-frequency current skin effect and proximity effects, so that the edge of the coil heat fusion, pressure in the squeeze roller under pressure welding to achieve production.
ERW steel pipe is manufactured through low or high frequency resistances Electric Resistance. Welding seam is in longitudinal. During the ERW pipe welding processes, the electric current will make the heat when flow through the contact surface of the welding area. It will heat the 2 edges of the steel to a point that the edges can form a bond. Q235B Carbon Steel Pipe manufacturers,Q235B Carbon Steel We use Q235B steel type to manufacture Carbon steel pipe. Zhongshun is an Q235B steel pipe manufacturer and supplier. We also offer Q345B steel pipe . and SSAW steel pipe, ERW steel pipe, Water Pipeline, Pipe pilling and coating steel pipe,etc. Our hight quality products are offered at competitive prices. Zhongshun is located in China, Spiral Welded Steel Pipe blogLaunching its Spiral welded steel pipe production in 1983, our company integrated with the Ceceli Group in 1990. For spiral weld ultrasonic inspection, testing is now more commonly used technique, which is to weld pipe organized on either side of numerous ultrasonic shear wave probes, parallel motion detection pipe weld seam parallel or perpendicular to the seam weld defects.
Advantages of Spiral steel pipes. First, spiral welded pipes have higher strength than straight welded pipes. Second, according to the tests of relevant research institutions in the United States, although the spiral welded pipe and the straight welded pipe (ERW steel pipe) are at the same level, the spiral welded pipe has high impact toughness. Welded steel pipe distributor in China for international Normally welded steel pipe may divide into two categories such as electric resistance welded steel tube (ERW) and Spiral welded steel pipe. In addition, referring to different welding methods, it can be divided into arc welded pipe, high frequency or low frequency electric resistance welded pipe, gas welded pipe, Bondi pipe, furnace welded pipe Helical welded pipes - Sunny SteelHelical welded pipes. Helical welded pipes is the low-carbon structural steel or low alloy steel strip by the helix angle (called molding angle) rolled into a tube, and then the tube made of seam welded together, it can be used a narrow bandsteel production of large-diameter steel pipe.