Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521
Keywords :Pre-welding and welding method of straight seam steel pipe Update : 2022-11-01 View(s) : 730
Pre-welding of straight seam steel pipes : Pre-welding includes joints and welds. 1. There is no wrong edge or the wrong edge is smaller than the specified value. Generally, the amount of the wrong edge is ≤8% of the plate thickness, and the maximum is not more than 1.5mm. 2. It is necessary ...
Keywords :Performance comparison of spiral steel pipe and straight seam steel pipe Update : 2022-10-31 View(s) : 1
1. Welding process In the welding process, the welding method of the spiral steel pipe and the straight seam welded pipe is the same, but the straight seam welded pipe will inevitably have many T-shaped welds, so the probability of welding defects is greatly increased, and the welding resi...
Keywords :Application of straight seam steel pipe in pressure pipeline Update : 2022-10-28 View(s) : 826
The nominal diameter of straight seam steel pipe refers to the series of diameters specified in the standard of straight seam steel pipe. For straight seam steel pipes, pipe fittings, valves, etc., the series specified by the standard are used to indicate the nominal straight seam steel pipe dia...
Keywords :Why non-metallic pipes or stainless steel pipes cannot be used as long-distance pipelines Update : 2022-10-27 View(s) : 758
Oil and gas transportation through pipelines requires a certain pressure to achieve. The longer the pipeline, the higher the pressure required for oil and gas transportation. The pressure of long-distance pipelines is generally between a few MPa and a dozen MPa, so the pipeline must have Sufficient ...
Keywords :What material is used for the anti-corrosion of steel pipes Update : 2022-10-26 View(s) : 832
Steel pipeline anti-corrosion materials are divided into pipeline-themed anti-corrosion materials and their corresponding filling materials. The main anti-corrosion mainly includes petroleum asphalt, epoxy coal tar, anti-corrosion cold wrap, epoxy powder, PE coating, and PP coating. Commonl...