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......
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Low alloy steel plates for pressure vessels operating at subzero temperatures are designated according to their chemical composition and mechanical properties. The grade of such steel plates, published by the Chinese national standards organization, can include Grades H480Y, H340Y, H420Y, H440Y,......
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 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......
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......
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 ......
Cold Rolled Ribbon Ribbed Steel Bars Dimensions, Weight and Tolerances (GB 13788-2000)
Cold rolled ribbon ribbed steel bars, commonly referred to as ‘ribbed steel bars’ in technical specifications, are bars produced by cold rolling open round billets manufactured in steel mills. Ribbed steel ba......
GB/T 3273-1989 Hot-rolled Steel Plate for Automobile Beams - Brand and Chemical Composition, Properties and Performance
GB/T 3273-1989 hot-rolled steel plate for automobile beam is a hot-rolled steel plate punched from a slab by automatic continuous casting. The permeability and magnetic properti......
The Benefits of Natural Gas
Natural gas has become an increasingly important resource for many countries around the world. It is a clean, efficient fuel that can be used for everything from heating homes to powering large industrial plants. Despite economic and environmental pressures in the 21st......