Changsha Xiangjia Metal Materical Co., Ltd.

  SSAW steel pipes  have been widely used in water plants, petrochemical, chemical, electric power, agricultural irrigation and urban construction. When choosing the type of SSAW steel pipe, people don't know the thickness of the SSAW steel pipe. Here, we will introduce you the type and thickness of the SSAW steel pipe. 1. Commonly used models of SSAW steel pipe SSAW steel pipe is a kind of spiral steel pipe made of coil, using double wire submerged arc automatic welding extrusion welding. The SSAW steel pipe feeds the steel strip into the welded pipe unit. After multi-roll rolling, the strip is gradually rolled upward to form a round billet with an open gap. Adjust the pressing amount of the squeeze roller to control the welding gap between 1-3 mm and the welding end to be uniform. Common specifications are: outer diameter 219mm, 273mm, 325mm, 377mm, 426mm, 529mm, 630mm, 820mm, 1020mm, 1220mm, 1420mm, 1520mm, 1620mm, 1820mm, 2020mm. 2.What is the common thickness of SSAW steel pip

  LSAW steel pipes  play a very important role in our lives. Do you know what requirements we have on the appearance of LSAW steel pipes? The following is a detailed introduction: 1. Basic requirements for the appearance of the welded seam of a LSAW steel pipe Before the non-destructive testing of the LSAW steel pipe, the visual inspection of the weld shall meet the requirements.  The general requirements for the appearance of the welded seam of the longitudinal steel pipe and the surface quality of the welded joint are as follows: The welding appearance should be well formed, and the width should be 2mm on each side covering the edge of the groove. The height of the foot of the fillet weld should meet the design requirements, and the shape should transition smoothly. 2. Welding joint surface (1) Cracks, unfused, pores, slag inclusions, and splashes are not allowed. (2) There shall be no undercut on the weld surface of pipes with a design temperature lower than -29 degrees, stainless s

  OCTG pipes  are mainly used for drilling oil and gas wells and transporting oil and gas. It includes oil drill pipe, oil casing pipe, and oil pumping pipe. Oil drill pipe is used to connect drill collars and drill bits and transmit drilling power. Petroleum casing is mainly used to support the well wall during drilling and after completion to ensure the progress of the drilling process and the normal operation of the entire well after completion. The pumping pipe used to transports the oil and gas at the bottom of the oil well to the ground. The oil casing is the lifeline to maintain the operation of the oil well. Due to different geological conditions, the stress state is complex, and the combined action of tensile, compressive, bending and torsion stresses on the pipe body, which puts forward higher requirements on the quality of the casing. Once the casing is damaged for some reason, the entire well may be reduced production or even scrapped. According to the strength of the steel

 Whether he  SSAW steel pipe  to do outer layer anti-corrosionis is determined by the environment. If the soil is acidic or alkaline, it needs to be anti-corrosion. If the SSAW steel pipe is used for pipeline transportation, it also needs to be anti-corrosion. The common anti-corrosion processes of SSAW steel pipes include internal anti-corrosion and external anti-corrosion. Buried or underwater steel oil, gas, water supply, heating pipelines, steel structures, docks, ships, sluices, gas storage tanks, oil refinery plant equipment, concrete pipes, sewage tanks, roof waterproofing, toilets, Industries such as basements should be treated with anti-corrosion when applying SSAW steel pipes. When the SSAW steel pipe is used as an insulation pipe, it is not need to do anti-corrosion treatment, and the insulation pipe not need to do anti-corrosion,because it contains anti-corrosion treatment.