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 :Safety protection in construction of anti-corrosion steel pipe Update : 2022-03-16 View(s) : 833
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) : 864
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) : 878
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) : 910
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...
Keywords :Precautions in the use of straight seam steel pipes Update : 2022-03-10 View(s) : 776
1. There are strict technical requirements for the installation and use of straight seam steel pipes , which need to be carried out according to the actual situation and operating procedures to ensure quality. The construction preparations before the use of straight seam steel pipes , to excavat...