A comprehensive description of 16 common defects in rolled steel billets

2026-01-19

A comprehensive description of 16 common defects in rolled steel billets   The billets used by cold-rolling strip steel mills are hot-rolled strip steel. The poor quality of the billets themselves and incorrect pro...

Research and development of integrated short-process casting and rolling technology and equipment

2026-01-19

1. Research Background and Overall Task Objectives  The steel industry, as a typical process industry, has complex production processes involving multiple stages and a long production line. During the development and p...

Thermal treatment mechanical property indicators and testing methods

2025-12-17

The mechanical properties of metallic materials mainly include strength and plasticity, hardness, impact toughness and fatigue strength. The strength index of the mechanical property test of metallic materials can better help u...

Tips for "All-staff preventive Maintenance Centered on inspection"

2025-12-17

The bearings of the rolling mill are in operation Perhaps for various reasons This leads to premature damage of the bearing Even under normal installation, lubrication and maintenance conditions After a period o...

Research Progress and Prospect of Ultra-High Strength Steel

2025-12-17

Abstract: Ultra-high strength steel is the core material for key load-bearing components of major equipment such as aerospace and construction machinery. This article reviews the current technological status of ultra-high stren...

Summary of knowledge about metal brittleness

2025-11-10

Metal is everywhere in our daily life and engineering construction: from Bridges and high-speed railways to aircraft and automobiles, metal is a key material. But do you know? These seemingly solid metals can sometimes be "...

Common defects of pickled coils and their solutions

2025-11-10

I. Defects of Pickled Plates   1.1 Raw Material Defects   1.1.1 The roll diameter of the raw material is inappropriate and too small.   Especially for thin-sized hot-rolled coils. Mainly d...

What temperatures do TB RT, RDT, TIT, FDT and CT respectively represent in hot continuous rolling?

2025-11-10

TB (Billet Temperature   Representing the temperature of the billet, it refers to the temperature of the slab before it enters the heating furnace. This temperature mainly depends on the source of the billet and th...

A Comprehensive Analysis of the Identification and Testing of Cold-rolled Steel and Hot-rolled Steel: In-depth Analysis from Principles to Methods

2025-10-15

In the field of metallic materials, cold-rolled steel and hot-rolled steel are two common forms of steel. Due to the differences in their production processes, they have significant distinctions in performance, appearance and a...

The principle of positioning the head of a spinning machine and the calculation of its rotational speed

2025-10-15

The principle of the head positioning of the wire spinning machine mainly involves the precise control of the rolled piece to ensure that it can be spun at the optimal time point and position. Specifically, this principle is ac...

Safety Operating Procedures for Steel Rolling

2025-10-15

Safety Operating Procedures for the Adjustment Worker Position   During the normal rolling process, when the adjuer is adjusting the rolling mill, they must not stand at the exit of the rolled piece. If they need t...

Rough rolling process for medium and heavy plates

2025-09-08

Rough rolling processing technology   The main task in the rough rolling stage is to stretch the slab or flat ingot to the required width and perform a large compression extension. According to the raw material con...