The Improvement of Bearing Steel Smelting Process
Bearing steel is one of the most important classes of steel in modern industry. Bearing steel has extremely high strength and hardness, and this property gives it a wide range of applications in the automotive, aeronautic and aerospace industries. ......
Introduction
Rh top-blowing oxygen (RHB) technology is a process technology in which oxygen or oxygen-rich gas is blown onto the surface of the molten steel to reduce the concentration of carbon, hydrogen, nitrogen and other harmful elements in molten steel. It is a new type of process technology......
Spring Steel (GB 1222-64) (1) Introduction Spring steel is a special type of steel that is used in the production of springs and other related products. It is a high carbon steel with a tensile strength range of between 35 to 75 kg/mm². The main chemical elements that make up spring steel are mang......
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......
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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,......
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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......
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......
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......