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What steel is HCT780X What steel grade corresponds to the national standard？
HCT780X is a dual phase high-strength cold-rolled automotive steel plate, with the following chemical composition and mechanical properties: The equivalent steel grades are: HC420/780DPD+Z, HC420/780DPD+ZF, HC420/780DP, B400/780DP, B400/780DP, HCT780X, CR780T/420Y-DP, DP 780T/420Y Wait. HCT780X ...Read more -
Analysis of Inspection Standards for Non metallic Inclusions in Steel Abroad
ISO Non metallic Inclusion Inspection Standards: (1) ISO 4967:2013 ISO 4967:2013 “Determination of Non metallic Inclusion Content in Steel – Standard Rating Chart Microscopic Inspection Method” replaces ISO 4967-1998, but its content has only undergone minimal changes, and its ...Read more -
The difference between free cutting steel 1215 and 11SMn30 steel
Free cutting steel refers to alloy steel that adds a certain amount of one or more free cutting elements such as sulfur, phosphorus, lead, calcium, selenium, tellurium, etc. to improve its machinability. With the automation, high-speed and precision of cutting, it is very important to require st...Read more -
What is metallurgical composite pipe？
Metallurgical composite pipe is a type of pipeline composed of different materials, usually consisting of an inner layer of metal pipe, an intermediate layer of polymer layer, and an outer layer of metal pipe. The design of this pipeline structure aims to fully utilize the advantages of various ...Read more -
Chinese seamless steel pipe series standard
Seamless steel pipe is a long strip of steel with a hollow cross-section and no seams around it. Seamless steel pipes have a hollow cross-section and can be used as pipelines for transporting fluids, such as oil, natural gas, gas, water, and certain solid materials. Compared with solid steel suc...Read more -
Common heat treatment processes for metal material
Heat treatment is a very important step in the processing of metal materials. Heat treatment can change the physical and mechanical properties of metal materials, improve their hardness, strength, toughness, and other properties. In order to ensure that the structure of product design is safe, r...Read more -
Brief Discussion on Steel Quenching and High Frequency Quenching of S45C Steel
What is quenching? Quenching treatment is a heat treatment process in which steel with a carbon content of 0.4% is heated to 850T and rapidly cooled. Although quenching increases hardness, it also increases brittleness. Commonly used quenching media include salt water, water, mineral oil, air, e...Read more -
Introduction and technical standards of hydraulic steel pipes
In the specification, it is DIN2391-1. The raw materials of hydraulic steel pipes are processed through precision drawing, non oxidation bright light heat treatment (NBK state), non-destructive testing, high-pressure flushing and acid washing of the inner holes of the steel pipes, rust preventio...Read more -
Application of hydraulic pipes and ordinary steel pipes
Ordinary steel pipes are generally used in machinery or systems that do not have special requirements for steel pipe accuracy and pressure resistance, while hydraulic steel pipes generally require seamless steel pipes with high accuracy and high pressure resistance. At present, the steel pipes u...Read more -
Top 10 strongest steel enterprises in China
Recently, the China Enterprise Federation and the China Entrepreneur Association released the 2023 Top 500 Chinese Enterprises List, as well as the Top 500 Chinese Manufacturing Enterprises List. This ranking reveals the latest competitive landscape of enterprises in the steel industry. In this l...Read more -
Key Technologies for Cold Drawn Steel Pipe Production
Cold drawn pipes are very common in industry and are a widely used type of steel pipe. Cold drawn steel pipes are made from hot-rolled pipes, and the selection of the material, specifications, and quality of hot-rolled pipes directly affects the drawing process and the quality of the finished pr...Read more -
ASTM SAE AISI 1020 Steel
SAE AISI 1020 Steel Properties, C1020 Carbon Steel Yield Strength, Equivalent ASTM SAE AISI 1020 Steel AISI 1020 steel is also known as C1020 steel in cold worked (cold rolled or cold drawn) condition. 1020 carbon steel is one of the most commonly used plain carbon steels, has good machinability...Read more
