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...

(Steel Rolling) Wire Rod Product Defect Identification and Prevention Test Question 1

2025-09-08

I. True or False Questions.     When there are many faults in the rolling line, the furnace operator and the dispatcher need to communicate effectively and keep warm in time to avoid extending the effectiv...

Advanced cold continuous rolling process equipment and high-precision automatic control technology

2025-08-13

Advanced cold continuous rolling process equipment and high-precision automatic control technology Picture The integrated technology of the pickling cold continuous rolling combined unit (PL-TCM unit) is an internationa...

The main alloying elements in stainless steel and their functions

2025-08-11

The alloying elements in stainless steel mainly play a role in the following aspects: ① Promoting the formation and stability of the passive film on the steel; ② Increase the electrode potential of steel; ③ Adjust the microstru...

The main alloying elements in stainless steel and their functions

2025-08-11

The alloying elements in stainless steel mainly play a role in the following aspects: ① Promoting the formation and stability of the passive film on the steel; ② Increase the electrode potential of steel; ③ Adjust the microstru...

Development and Application of Integrated Learning System for Hot-Rolled Steel

2025-07-14

1 Research Background The comprehensive quality level of hot-rolled steel is an important indicator for measuring the overall technological development of the steel industry. With the support of the country's continuous...