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 :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...
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...
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...
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...
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...