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...