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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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steel section, steel section defect, steel section appearance

Analysis and control methods of common appearance defects of steel sections

Keywords :steel section, steel section defect, steel section appearance        Update : 2024-10-14        View(s) : 132

1. Insufficient filling of steel section corners 1.1 Defect characteristics: Insufficient filling of steel section corners caused by insufficient filling of finished product holes, resulting in a lack of metal at the edges and corners of steel sections. Its surface is rough, mostly along the entir...

seamless steel pipe, seamless steel pipe cold rolled, seamless steel pipe rolling

Three-roll and multi-roll cold-rolled tube methods for rolling finished seamless steel pipes

Keywords :seamless steel pipe, seamless steel pipe cold rolled, seamless steel pipe rolling        Update : 2024-10-11        View(s) : 108

First, multi-roll cold-rolled tube mill A cold-rolled tube mill composed of three or more rollers is called a multi-roll cold-rolled tube mill. Multi-roll mills are divided into three types: three-roll, four-roll, and five-roll. Generally, three-roll cold-rolled tube mills are used to roll tubes w...

seamless steel pipe, seamless stainless steel pipe, small diameter seamless stainless steel pipe

Improvement measures for surface cracks of small-diameter seamless stainless steel pipes

Keywords :seamless steel pipe, seamless stainless steel pipe, small diameter seamless stainless steel pipe        Update : 2024-10-09        View(s) : 107

By formulating reasonable measures to control cracks in the production process of seamless stainless steel pipes, the quality of products can be further improved. 1. Raw material acceptance. Formulate special tube billet procurement technical conditions for small-diameter stainless steel, and m...

steel pipe quenching, steel pipe tempering, steel pipe prevention

Quenching and tempering defects and prevention of the steel pipe

Keywords :steel pipe quenching, steel pipe tempering, steel pipe prevention        Update : 2024-09-30        View(s) : 129

The scrap rate caused by the quenching process in the heat treatment process is often high. This is mainly because large thermal stress and structural stress are formed during the quenching process. In addition, due to factors such as inherent metallurgical defects in the material, improper material...

large diameter coated steel pipe, industrial coated steel pipe, coated steel pipe application

Application fields of industrial large-diameter plastic-coated steel pipe

Keywords :large diameter coated steel pipe, industrial coated steel pipe, coated steel pipe application        Update : 2024-09-27        View(s) : 140

Large-diameter plastic-coated steel pipes are mainly made of spiral steel pipes or seamless steel pipes as the base material. It is not recommended to use straight-seam welded pipes. Straight-seam welded pipes are usually not as good as spiral steel pipes in terms of pressure bearing, and the cost i...

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