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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: 410116

Phone:0086-731-8873-9521  

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Key points of internal thread tapping of stainless steel pipe fittings

Key points of internal thread tapping of stainless steel pipe fittings

Keywords :Key points of internal thread tapping of stainless steel pipe fittings        Update : 2023-11-13        View(s) : 630

1 Design and manufacture of taps (1) Choose a better tap material. Adding special alloy elements to ordinary high-speed tool steel can significantly improve the wear resistance and toughness of the tap. (2) Coating titanium nitride coating on the surface of the tap thread...

Production process of LSAW pipe

Production process of LSAW pipe

Keywords :Production process of LSAW pipe        Update : 2023-11-10        View(s) : 562

Longitudinal submerged arc welded pipe (LSAW) is generally made of steel plate as raw material. After different forming processes, double-sided submerged arc welding and post-weld diameter expansion are adopted to form a welded pipe. The main equipment includes a milling machine, pre-bending ...

How to maintain hot-dip galvanized steel pipe

How to maintain hot-dip galvanized steel pipe

Keywords :How to maintain hot-dip galvanized steel pipe        Update : 2023-11-09        View(s) : 515

Hot-dip galvanized steel pipes are widely used in industrial production, mainly due to their good performance. To give full play to the good performance of seamless steel pipes, it is sometimes necessary to galvanize the hot-dip galvanized steel pipes. After all, after mass production of seamles...

Method for straightening straight seam steel pipe

Method for straightening straight seam steel pipe

Keywords :Method for straightening straight seam steel pipe        Update : 2023-11-08        View(s) : 579

First, the straight seam steel pipe is bent in the same direction as the weld Reason: Insufficient normalizing of the weld seam, thermal stress exists on the side of the pipe close to the weld seam, so it will bend in one direction after cooling. Solution: 1...

Method of straight seam steel pipe in preheating deformation

Method of straight seam steel pipe in preheating deformation

Keywords :Method of straight seam steel pipe in preheating deformation        Update : 2023-11-07        View(s) : 553

1. Reasonable selection of materials. For precision messy molds, micro-deformed mold steel of good quality should be selected. For mold steel with serious carbide segregation, reasonable casting and quenching and tempering heat treatment should be carried out. For larger and unsuit...

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