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......
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......
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......
This standard sets out the technical requirements for the delivery of welded stainless steel tubes with special requirements made of austenitic stainless steel (DIN 17457-1985).
1 Scope
This Standard applies to stainless steel tubes made of austenitic stainless steel, referred to as welded tubes......
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......
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......
Surface Quality of Heat-Treated Steel Rebar
Heat-treated steel rebar is widely used in the construction industry for its strength and durability. Rebars are made from reinforcing steel that is heat-treated in order to give the metal greater strength and ductility. Heat-treated rebar is known for ......
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. ......