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 :What are the quality requirements for steel pipeline pickling Update : 2022-03-17 View(s) : 767
(1) After steel pipeline pickling, the rust and oil on the inner wall of the pipe are completely removed, and the cleanliness should meet the requirements of relevant standards. (2) Pickling parts shall not be over-pickled. If the pipe is soaked in the pickling solution for too long, the surfa...
Keywords :Safety protection in construction of anti-corrosion steel pipe Update : 2022-03-16 View(s) : 764
1. The spraying process of 3PE anti-corrosion steel pipe At present, most 3pe anti-corrosion steel pipe manufacturers in my country adopt the production process of "epoxy powder spraying, adhesive and polyethylene lateral extrusion, winding roll pressing", because the powder and electrostati...
Keywords :Basic requirements and production temperature of straight seam steel pipe weld appearance Update : 2022-03-15 View(s) : 794
Basic requirements for the appearance of straight seam steel pipe welds 1. Surface of welded joints: A. No cracks, unfused, pores, slag inclusions, and splashes are allowed. B. The welding seam surface of pipelines with design temperature lower than -29 degrees, stainless steel and alloy st...
Keywords :Construction preparation and inner wall anticorrosion before welding of large-diameter steel pipe Update : 2022-03-14 View(s) : 781
Construction preparation before welding of large diameter steel pipe : 1. Organize relevant operators, be familiar with construction drawings and regulations, formulate welding procedures, and compile welding operation instructions. 2. Welders should be trained in corresponding projects and h...
Keywords :Inspection method for large diameter straight seam welded pipe Update : 2022-03-11 View(s) : 846
There are many methods for quality inspection of large-diameter longitudinally welded pipes , among which physical methods are also commonly used inspection methods. Physical inspection is a method of measuring or inspecting by using some physical phenomena. The inspection of the internal defects...