
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 :seamless steel pipe fitting, steel pipe fitting design, seamless steel pipe machining Update : 2026-02-28 View(s) : 8
First, the Core Principles of Seamless Steel Pipe Fitting Tooling Design. Precise Positioning Principle: Complex seamless steel pipe fittings (such as bends, reducers, and branched pipes) often have spatial curved surface structures. The tooling needs to achieve six-point positioning. Through ...

Keywords :seamless steel pipe defects, seamless steel pipe control, seamless steel pipe cause Update : 2026-02-27 View(s) : 12
First, the appearance characteristics of common defects in seamless steel pipes . Accurately identifying the appearance characteristics of defects in seamless steel pipes is the prerequisite for judging the type of defect, analyzing its causes, and taking control measures. Based on produc...

Keywords :15CrMoG alloy steel pipe, high pressure alloy steel pipe, alloy steel pipe heat treatment Update : 2026-02-26 View(s) : 15
First, what are the materials and properties of 15CrMoG alloy steel pipes ? Material: 15CrMoG alloy steel pipes belong to the pearlitic heat-resistant steel family, containing alloying elements such as chromium and molybdenum. These elements endow the steel pipes with excellent high-temperature...

Keywords :large diameter steel pipe, large diameter steel pipe welding, large diameter steel pipe misalignment Update : 2026-02-25 View(s) : 22
First, the causes of misalignment in large-diameter steel pipes : 1. The nominal outer diameter of large-diameter steel pipes has an allowable positive and negative deviation in the specifications at the time of manufacture. When the positive deviation meets the negative deviation, the total de...

Keywords :straight seam steel pipe, welded steel pipe advantages, welded steel pipe characteristics Update : 2026-02-24 View(s) : 33
First, what are the characteristics of submerged arc welded straight seam steel pipes ? Submerged arc welded straight seam steel pipes are made by pre-bending and cold-bending steel plates into a U-shape, and then welding the two sides together using submerged arc welding. Compared with o...