Introduction
GB/T 4171-2000 high-resistance structural steel is a higher corrosion resistance steel compared to ordinary carbon structural steel. Developed primarily for outdoor applications, it is suitable for use in machining, welding and bending parts and components. It is an important structu......
GB/T912-1989 Hot-rolled carbon structure and low alloy steel plate and strip
GB/T912-1989 is a technical specification issued by Chinas National Standardization Management Committee specifically for hot-rolled carbon structure and low alloy steel plate and strip. It regulates the requirements, te......
Abstract
This specification covers general requirements for wrought stainless steels and heat resisting steels in the form of bars, billets, blooms, and forgings for general requirements. The steel shall conform to chemical composition requirements, in which cost-effectiveness shall be considered......
ASTM A638M-1995 High-Temperature Precipitation Hardening Iron-Based Supermartensitic Rods, Forgings, and Billets
ASTM A638M-1995 is an international standard for precipitating hardening iron-based supermartensitic rods, forgings and billets. This specification covers UNS S44600 and S44800 grade......
ASTM A844/A844M-1993
This ASTM A844/A844M-1993 standard specifies the requirements for Grade 9% Nickel Steel plates used in pressure vessels. It applies to plates made by direct quenching and tempering process.
Grade 9% Nickel Steel is an age-hardening nickel-iron-chromium alloy. Nickel increas......
2500 words
Introduction
Tin plating is an important process in the manufacturing of many products, including electronics and automotive components. It is often used as a protective coating to increase the lifetime of the product, as well as to improve its appearance. The process of tin plating in......
Low Alloy Structural Steel Technical Conditions GB 1591-1979 Introduction The formulation and promulgation of GB 1591—1979 “Low Alloy Structural Steel Technical Conditions” is mainly to promote the development and use of steel structures with excellent performances in our country. GB 1591—1979 ......
The bending diameter, weight and allowable deviation of heat-treated steel bars (GB 13014-1991)
In China, the bending diameter, weight and allowable deviation of heat-treated steel bars are stipulated by the national standard of GB 13014-1991.
1.Bending diameter
The bending diameter of heat-tre......
Heat Treatment of Steel Bar for Reinforced Concrete (GB 13014-1991)
The heat treatment of steel reinforcement for reinforced concrete structures is mainly to control the hardness and strength of steel, reduce the overall weight, and improve the formability, weldability and workability of steel. G......
GB/T 3524-1992 Hot-rolled Steel Strip for Carbon Structures and Low Alloy Structures
This standard specifies the ordering information, size, shape, weight, technical requirements and test methods for hot-rolled steel, pickling and cold-rolled steel for carbon structures and low alloy structures. ......