Changes in steel when heated

2022-03-24

Most of the heat treatment of steel needs to be heated to obtain austenite, and then cooled at different speeds to transform the austenite into different structures to obtain different properties of the steel. Therefore, to mas...

Automatic control of high pressure water descaling system

2022-03-24

0 Preface In the production process of hot-rolled steel, the furnace pig iron oxide scale on the surface of the billet is one of the main reasons for affecting the surface quality of the steel. Due to its existence, various p...

Basic knowledge about continuous pipe mills

2022-03-24

What is a continuous rolling mill? Continuous tube rolling mill is a high-efficiency rolling mill for producing medium and small diameter seamless steel tubes. It is to sleeve the perforated capillary on a mandrel, and pass t...

Production practice of reducing cost of red steel bar and rebar production line

2022-03-24

Abstract: This paper introduces the difficulties faced by the cost control of the bar production line in the rolling mill of Honghe Iron and Steel Co., Ltd. The equipment level of the bar production line is not high, the supply...

Application and practice of fixed-length shearing in high-quality bar production line

2022-03-24

1 Overview of production status Xuangang's high-quality bar production line was officially put into production in March 2012. This production line is currently a professional production line in domestic technology and aut...

Maintenance of finishing mill roll boxes

2022-03-24

The roller box is a closed reduction gear box mechanism, and the maintenance requirements are strict, especially for oil sealing, dustproof and waterproof. The roller box has 3 shafts as the key points of sealing, and the seali...