
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 defects, seamless steel pipe control, seamless steel pipe cause Update : 2026-02-27 View(s) : 184
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) : 140
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) : 179
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) : 145
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...

Keywords :plastic coated steel pipe, galvanized coated steel pipe, coated steel pipe machining Update : 2026-02-09 View(s) : 235
First, what do you know about externally galvanized and internally plastic-coated steel pipe ? Externally galvanized and internally plastic-coated steel pipe uses a straight seam steel pipe or seamless steel pipe as a solid base pipe. These two types of base pipe are widely used in the industri...