Welding processes
Welding processes used in construction steel structures can be divided into three categories: manual welding, mechanical welding and self-shielding welding.
Manual welding is one of the most commonly used welding processes. It can be used for both mild steel and stainless steel......
Steel Number Comparison Between Domestic and Overseas
Steel is one of the most important commodities in the world, as it is used in a wide range of applications such as in the construction and machine industries. Steel manufacturers around the world assign unique numbers to their respective steel......
SYNOPSIS
This GB 6654–1996 specifies the dimensions, shapes, masses, and permissible deviations of steel plates used for pressure vessels. The plates that are covered by this document are those with a nominal thickness of 4.75 mm or more, and a nominal width of 600 mm or more. The characteristic......
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......
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Hot rolled H-shaped steel is one of the most popular and widely used structural steel products in todays market. It is mostly used in areas with relatively high load bearing capacity, such as buildings and bridges. The delivery status and grades of the hot rolled H-section steel are different ac......
Introduction
H-beam steel, also known as High-Frequency Welded H-beam, is defined by its shape, size and weight. It is widely used in the construction and engineering industry and is made out of blocks special steel with hot rolling technology. H-beam steel is most commonly used for structural an......
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......