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Representation method of Chinese heat-resistant steel grades
Introduction to the Naming Convention of Heat-Resistant Steels in China
Heat-resistant steel is a kind of steel which has excellent high-temperature performance and can be used in hot-working conditions, such as high-pressure vessels, petrochemical industry, aerospace industry and so on. Heat-resi......
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Chinese steel grade representation method
China has developed different steel codes and numbers to identify different types of steel. The national standard, the GB/T 222 “Permissible Tolerances for Chemical Composition of Steel Products”, is the basis for the standardization of the various types of steel’s composition in China. Steel gr......
Brief introduction to the representation method of metal material grades in China (GB)
Introduction
China has a unique system of numbering and coding a wide range of metallic materials, called Chinese Standard (GB) Metal Materials Numbering System (in Chinese “gong bu”). Generally, it is a four-digit designations for classifying and determining basic Metal materials.
The Purpose......
Steel grade and chemical composition (mass fraction) of cast steel for rolls (%)
Chemical Composition(%) and Steel Number of Steel Used for Rolling Rollers
Rolling rollers generally choose high-carbon and low-alloy steels to obtain good dimensional stability and fatigue strength.
1. Steel number 811M40, chemical composition: C 0.36～0.44, Si 0.15～0.35, Mn 0.60～1.00, Cr 0.9......
China cast steel grade
Steel is a vital material in modern society, used for heavy-duty construction, automotive and consumer goods production, and a wide range of industrial applications. In China, steel is produced in various grades according to Chinese national standards (GB/T). The grades are usually denoted by four......
Representation method of bearing steel grade
Bearing Steel Grades
Bearing steel refers to a type of alloy steel used in rolling contact bearings, such as those found in ball and roller bearings. Bearing steels are designed to have high reliability and durability, even in extreme operating conditions. They generally contain a high proportion......
Copper and copper alloy welding wire GB 9460-88
GB9460-88 Copper and Copper Alloy Welding Wire
The General Administration of Quality Supervision, Inspection and Quarantine of the Peoples Republic of China issued a standard (GB9460-88) to control the quality of copper and copper alloy welding wire. The standard covers the welding wires with a ......
Special cross-section hot-rolled section steel for agricultural machinery (YB/T5007-1993)
Hot-rolled steel with special cross-sections for agricultural machinery (YB/T5007-1993)
Introduction
This hot-rolled steel is specially designed for agricultural machinery according to YB/T5007-1993. The use of this steel is to improve the structural performance of agricultural machinery, such a......
Technical requirements for austenitic stainless steel large-diameter welded steel pipes for chemical plants HG 20537.4-92
Technical Requirements for Austenitic Stainless Steel welded Pipes with Large Diameter Used for Petrochemical Equipment (HG 20537.4-92)
In order to ensure the quality assurance of austenitic stainless steel welded pipe with large diameter used for petrochemical equipment, the Peoples Republic of ......
BS 1449/1.5-1991 Chemical composition and mechanical properties of carbon and carbon-manganese steel plates, sheets and strips
改写。
This document specifies the chemical composition and mechanical properties of carbon steel and carbon manganese steel plate, sheet and strip (hereinafter referred to as “steel plate and sheet”). It is applicable to steels conforming to Australian Standard AS 1449/1.5-1991 (Table 1).
Table......
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