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JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 15)
Welding of steel structures is a major factor in the construction of buildings and most other structures. This article will outline the key points of JGJ81-2002 standard for Architectural Steel Structures Welding Technology.
The JGJ 81-2002 standard is based on the needs of various types of struc......
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Ferrochrome nitride (YB/T5140-1993)
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Chromium nitride iron, also known as compound ferritic nitride (Cr + Fe3N), is a high-performance, wear-resistant material developed in the late 20th century. Its wear-resistant performance is about three times higher than that of a high-speed steel cutting tool, and its mechanical properties a......
Titanium-containing high-quality carbon structural steel with low hardenability (YB 2009-81)
Low-tempering Carbon Structure Steel with Titanium Containing High Quality (YB 2009-81)
1 Introduction
The development and application of new materials is essential for the progress of human science and technology. Low-tempering carbon steel with high titanium content is one of the important mat......
Low alloy steel welding rod GB 5118-85
Introduction
Low alloy welding electrodes are used when welding low alloy steels and are mainly used as filler metal electrodes in gas metal arc (GMAW) and gas tungsten arc (GTAW) welding processes. Low alloy welding electrodes are made of metals and alloys such as nickel and aluminum, which allo......
Galvanized welded steel pipe for low-pressure fluid transmission GB T3091-93
Low-pressure fluid transport galvanized welded steel pipe
Low-pressure galvanized welded steel pipe is widely used for transporting various low-pressure fluids such as water, oil, gas, air, heat transfer fluid and steam. The main features of this type of pipe are high corrosion resistance, accura......
Technical Specification for Waterproofing of Underground Engineering (GB50108-2001)
Underground Engineering Waterproofing Technology Specification (GB50108-2001)
This standard specifies the technical requirements and acceptance criteria of waterproof engineering design and construction, the process of detection, acceptance, maintenance and management of underground engineering w......
Hot-rolled section steel for elevator guide rails (YB/T157-1999)
Hot Rolled Steel for Elevator Guide Rail
Steel is mainly used as a structural material in the manufacture of elevators, and hot rolled steel is one of the most commonly used materials. Hot rolled strip steel is required to conform to the quality and dimensions specified in national standards (YB......
Carbon dioxide shielded welding steel wire GB 8110-87
Carbon dioxide gas shielded welding (CO2 gas shielded welding) is a method of welding mainly conducted in an atmosphere of carbon dioxide gas, and is widely used in industry. It is one of the standard processes of automatic welding, and accounts for about 90% of the total world welding consumable ......
Carburized bearing steel (GB 3203-82)
Carburized Steels (GB 3203-82)
Carburized steels, also known as carbonized steels, are steels that have been subjected to a process of carburization in order to increase their resistance to wear, corrosion and fatigue. Carburization is a process of chemical reaction that takes place at elevated t......
Ultrasonic inspection method for titanium and titanium alloy pipes GB/T 12969.1-91
，以GB/T 12969.1-91 Ultrasonic Inspection Method for Titanium and Titanium Alloy Tubes 为主题。
Ultrasonic Inspection Method for Titanium and Titanium Alloy Tubes (GB/T 12969.1-91)
Titanium and titanium alloys are important materials in modern industrial production, primarily used in aircraft engi......
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