GB/T 702-1986 Hot Rolled Rounds and Squares Steel Dimensions, Shapes, Weights and Permissible Variations
This standard specifies the size and shape, permissible asperities and permissible deviations of hot rolled circles and squares for general structural purposes. This standard applies to round ......
GB/T 706-1988 Hot Rolled Steel Angles Dimensions,Shape,Weight and Tolerances
This GB/T 706-1988 standard specifies the size, shape, weight, and tolerance for hot rolled steel angles. Hot rolled steel angles are widely used for many applications, such as various structures and engineering projects......
GB/T 9788-1988 Hot Rolled Unequal Angles: Dimensions, Shape, Mass and Permissible Deviations
This standard applies to hot rolled unequal angles for use in structural engineering.
The size tolerance for dimensions such as width (tolerance for the range of ± 0.4 to ± 5 mm) and length shall be i......
The Mechanical Properties of Seamless Steel Pipes for High Pressure Fertilizer Equipment (GB 6479-2000)
The mechanical properties of seamless steel pipes for high-pressure fertilizer equipment (GB 6479-2000) refer to the properties of materials and the performance of various products in the produ......
Low Alloy Steel Plate Dimensions, Shape, Weight, and Allowable Tolerance for Pressure Vessels Used at Low Temperatures
Low alloy steel plate is an important component in the production of pressure vessels used in low temperatures due to its high strength, durability, and corrosion-resistant prope......
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......
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......
Mechanical and Process Performance of Quenching and Tempering Steel Reinforcing Bars (GB 13014-1991)
Introduction
Quenching and tempering is a common process applied to steel reinforcing bars (rebars). This process is used to increase the mechanical and process performance of the bars. The purpo......
Abstract
This paper evaluates the cold-rolled ribbed steel bar mechanical performance, process performance and surface quality by comparing with GB13788-2000 and other standards. Cold-rolled ribbed steel bar is widely used in reinforced concrete and other building structures. In this paper, a ser......