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GB/T912-1989 Carbon structural steel and low alloy structural steel hot rolled sheet and strip
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......
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Waste heat treatment steel bars for reinforced concrete (GB 13014-1991)
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 714-2000 Designation and chemical composition of structural steel for bridges
GB/T 714-2000 Bridge Structural Steel Grades and Chemical Composition
GB/T 714-2000 is a standard that specifies the bridge structural steel grades and chemical compositions which are made in accordance with the welding requirements of GB/T 10045-1996.
GB/T 714-2000 bridge structural steel is a ......
GB/T 222-1984 Sample sampling method for chemical analysis of steel and allowable deviation of chemical composition of finished product
GB/T 222-1984 specifies the sampling method for the chemical analysis of steel and the permissible deviations for chemical composition of finished products.
The purpose of this standard is to provide technical requirements for the sample method of chemical analysis of steel, and the permissible d......
Sample sampling method for chemical composition analysis of steel and chemical tolerance of finished product (GB222-84) (2)
：
Sample Collection and Chemical Composition Analysis of Steel
Steel is a most widely used material in the 21st century, with the exception of the automotive industry and the construction industry, whose usage covers almost all aspects of modern industry and production. As an important material, ......
Guaranteed hardenability structural steel (GB 5216-85)
Overview
The GB 5216-85 is the Chinese national standard for Quenched and Tempered Structural Steels. It contains minimum requirements for chemical and mechanical properties, testing, and inspection practices. Under this standard, steels are classified and evaluated in service depending on their ......
Construction and acceptance standards for welding engineering of steel structure and steel components
Welded Structural Steel Components Construction and Acceptance Standard
In order to standardize the construction and acceptance of welded structural steel components, ensure the quality of construction and acceptance, and reduce the cost of maintenance, this standard is formulated in accordance w......
Code for Building Structure Loads (GB50009-2001)
GB50009-2001 Building Structure Load Code
As the world increasingly looks to automate as much of its operations as possible, it is imperative that building structure loads be well monitored and enforced in accordance with the Chinese National Standard GB50009-2001 Building Structure Load Code. Th......
GB50205-2001 Code for Construction Quality Acceptance of Steel Structures
解释
The Standard of Quality Acceptance of Steel Structure Construction GB50205-2001
This standard is established to regulate the quality acceptance of steel structure construction, whose products are engineering structures and equipment. This standard is divided into general rules, product accept......
Gray iron castings (abstract) GB 9439-88
Abstract
GB 9439-88 is a national standard for gray cast iron parts. Gray cast iron is a type of cast iron which has an even surface and a dense microstructure with excellent mechanical properties and wear resistance. This standard specifies the requirements, test methods, acceptance criteria, ma......
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