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GB/T 4697-1991 Hot-rolled U-shaped steel for mine roadway support
GB/T 4697-1991 Hot-rolled U-Profiles for Mine Roadway Support
This Chinese technical standard specifies the requirements, appearance examination, tensile properties, bendability and hardness tests of hot-rolled U-profiles for mine roadway support. The technical standard applies to hot-rolled prof......
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Technical requirements for austenitic stainless steel large-diameter welded steel pipes for chemical plants HG 20537.4-92
Technical Requirements for Austenitic Stainless Steel welded Pipes with Large Diameter Used for Petrochemical Equipment (HG 20537.4-92)
In order to ensure the quality assurance of austenitic stainless steel welded pipe with large diameter used for petrochemical equipment, the peoples Republic of ......
Brass thin-walled tube GB 8006-87
Brass, one of the most widely used engineering materials, is an alloy of copper and zinc. It has been used for thousands of years for coins, statues and other decorative objects, as well as for a wide variety of structural components. Because of its strength and durability, it has been used in app......
Aluminum and aluminum alloy hot extrusion pipe GB 4437-84
The cold drawing of aluminum and aluminum alloy hot extruded tubes GB 4437-84
Introduction:
Aluminum and its alloys are the most common materials used in aircraft and aerospace components. In order to utilize this material properly, it is necessary to understand the properties and characteristic......
Thickness direction performance steel plate GB 5313-85
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Introduction
GB 5313-85 Steel sheet for pressure instruments with specified thickness direction performance is a product standard for steel sheet for pressure instruments with certain thickness direction performance. The minimum yield strength of steel sheet for pressure instruments with certain......
ГOCT 5520-1979 Specifications for Carbon Steel, Low Alloy Steel and Alloy Steel Plates for Boilers and Pressure Vessels
Introduction
This Standard specifies the technical requirements of carbon steel, low alloy steel and alloy steel plates for boilers and pressure vessels. The chemical composition limits of these steels are used to determine their strength, toughness, weldability and other properties. The material......
GB 712-2000 Structural steel for hull
GB 712-2000 Ship Structural Steel
GB 712-2000 is the Chinese classification society’s standard for ship structural steel. This standard defines the requirements and chemical and mechanical properties of the steel grades used in shipbuilding. It also contains test methods and metallurgical proces......
GB/T 3274-1988 Carbon structural steel and low alloy structural steel hot-rolled thick plate and steel strip
GB/T 3274-1988, Hot-rolled Carbon Structural Steels and Low-alloy Structural Steels Plates and Strips, specifies the standard for hot-rolled carbon structural steels and low-alloy structural steels plates and strips with a thickness below 5mm. The standard includes chemical composition, metallurgic......
Tin bronze plate GB 2048–89
GB 2048–89 is a standard of electrolytic copper foil for electronic products formulated by the Ministry of Electronic Industry of the peoples Republic of China. It sets the requirements, test methods and inspection rules of copper foil products used in the production of electronic products.
The ......
High-quality carbon structural steel hot-rolled thick steel plate and wide steel strip (GB/T711-1988)
Quality Carbon Structural Steel Hot Rolled Steel Plates and Wide Steel Bands (GB/T711-1988)
Quality Carbon Structural Steel (hereinafter referred to as QCS Steel) Hot Rolled Steel Plates and Wide Steel Bands (hereinafter referred to GB/T711-1988) are one of the basic types of steel material recog......
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