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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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Stainless steel elbow features

Stainless steel elbow features

Keywords :Stainless steel elbow features        Update : 2023-06-08        View(s) : 1

1. Stainless steel stamping elbows will not produce corrosion, pitting, rust, or wear. Stainless steel is also the strongest material among metal materials for construction. 2. Stainless steel pipe fittings have excellent corrosion resistance. The thin and strong oxide film on the surface of st...

What is the heat treatment process of large-diameter steel pipes

What is the heat treatment process of large-diameter steel pipes

Keywords :What is the heat treatment process of large-diameter steel pipes        Update : 2023-06-06        View(s) : 618

(1) During the heat treatment process, the cause of the geometric change of the large-diameter steel pipe is the heat treatment stress. Heat treatment stress is a relatively complicated issue. It is not only the cause of defects such as deformation and cracks but also an important means to impro...

How to solve the phenomenon of

How to solve the phenomenon of "goose head bend" of spiral steel pipe

Keywords :How to solve the phenomenon of "goose head bend" of spiral steel pipe        Update : 2023-06-01        View(s) : 1

If the large-diameter spiral steel pipe is processed to a certain length, there must be bending, which is a phenomenon and situation that is often encountered in steel pipes. The large-diameter spiral steel pipe is commonly called "goose head bend" due to the unevenness along the length of the b...

Pre-welding and welding essentials of straight seam steel pipe

Pre-welding and welding essentials of straight seam steel pipe

Keywords :Pre-welding and welding essentials of straight seam steel pipe        Update : 2023-05-30        View(s) : 695

Pre-welding of straight seam steel pipes : pre-welding includes seams and welds. 1. The joint (that is, the forming seam) has no misalignment or the misalignment is less than the specified value. Generally, the amount of misalignment is ≤ 8% of the plate thickness, and the maximum is not more t...

What is the difference between oil casing and oil drill pipe

What is the difference between oil casing and oil drill pipe

Keywords :What is the difference between oil casing and oil drill pipe        Update : 2023-05-26        View(s) : 680

There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials. Oil casing is a steel pipe used to support the walls of oil and gas wells to ensure the normal operation of the entire oil well after the drilling process and completion. Each well ...

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