Application research of automatic control technology in steel rolling production

2024-11-11

Abstract: Cold rolled steel is a steel processing process in which the steel plate is further thinned to the target thickness at room temperature. It has higher precision than hot rolled steel, and can make the steel with highe...

Quality analysis of rebar

2024-10-08

Improving product quality is the way to rejuvenate the country, and it is the efficiency and competitiveness of enterprises. The steel rolling process deeply realizes that as the production unit of the end product, the strict m...

Cold Rolling Worker Examination Papers with Answers

2024-10-08

Cold mill test papers and answers   Total score: 100 questions: 50 questions   1. Single choice (20 questions, 40 points)   1. The west section of the acid rolling line of the cold rolling...

Common defects and improvement measures in large ingot production

2024-09-12

It is necessary to use large ingot in the production of extra-thick steel plate, and the internal quality problems of large ingot are mainly defects such as loose center and stratification of tail. Reflected on the steel plate,...

Medium and thick plate Basic Knowledge Questions and Answers (1)

2024-09-12

Section 1 Quality control and heating of medium thick slab material one What are the advantages and disadvantages of using raw materials for blooming? Advantages: The fledgling billet is made of large steel ingot rolled...

Cold rolled non-oriented silicon steel with high reduction rate

2024-08-08

Abstract: Microstructure and texture are important factors affecting the properties of non-oriented silicon steel. In order to improve the product properties, the effects of cold rolling reduction rate (71.7%~87.0%) on the micr...