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 :Identification method of fake and inferior steel pipes Update : 2023-04-21 View(s) : 1
1. Fake and inferior thick-walled steel pipes are prone to folding. Folding is a variety of fold lines formed on the surface of thick-walled steel pipes, and this defect often runs through the longitudinal direction of the entire product. The reason for the folding is that the fake and inferior manu...
Keywords :Large-diameter steel pipe inner wall anticorrosion Update : 2023-04-20 View(s) : 584
Large-diameter steel pipe inner wall anticorrosion 1. Before processing all steel pipes, the steel plate on the inner wall side of the large-diameter steel pipe shall be de-rusted until the metal is exposed to metallic luster (whitening). It should meet the sa2.5 standard required in GB8923-88...
Keywords :How to check the quality of large-diameter thin-walled steel pipes Update : 2023-04-19 View(s) : 715
1. Generally, large-diameter thin-walled steel pipes are used for the transportation of general lower-pressure fluids such as water, gas, air, oil, and heating steam. 2. Ordinary carbon steel wire casing (GB3640-88) is a steel pipe used to protect wires in electrical installation projects s...
Keywords :Introduction of straight seam steel pipe and precautions for using straight seam steel pipe Update : 2023-04-18 View(s) : 642
Straight seam steel pipe does not refer to a certain type of steel pipe, but a large class of welded pipe. It is made of steel strips. Steel pipes made with straight seam high-frequency welding equipment can be called straight seam steel pipes. In fact, in simple terms, When welding steel plates...
Keywords :Straight seam steel pipe procurement method and processing method Update : 2023-04-17 View(s) : 623
Procurement method of straight seam steel pipe : 1. Purchasing needs to know the type of steel pipe 1) By type: straight seam steel pipe, seamless steel pipe, spiral steel pipe, etc. 2) Section shape classification of straight seam steel pipe classification: square pipe, rectangular pipe, o...