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Welding process standard for steel structure manual arc welding
Standard Operating Procedures for the Manual Arc Welding of Structural Steel
1. Introduction
Arc welding is a process that involves joining two pieces of metal by using an electric arc to melt base materials together. Structural steel is commonly used in the construction of building and other st......
1045 
Landon
High-speed tool steel (GB/T9942-1988)
High Speed Tool Steels
High Speed Tool Steels are a type of alloy steel used in the manufacturing of tools. They are a unique combination of hardness, abrasive resistance, and wear resistance that make them ideal for the production of precision tools. High Speed Tool Steels are specially designed......
National Development and Reform Commission approves several cemented carbide industry standards
Introduction
In recent years, China has actively advanced the standardization of the hard alloy industry in accordance with the overall principle of strengthening the work of industry standardization and promoting the transformation of industrial structure and quality. China National Development ......
NJ 431-86 Technical Conditions for Welding and Repairing Defects in Gray Iron Castings
Defect Repair Of Grey Iron Casting
Grey iron castings are commonly used for casting structural parts in many industrial equipment. According to their structural characteristics, defects are prone to occur during the process of grey iron casting.Moreover, the defects of grey iron castings are usua......
GB 12827-91 standard reference acetylene carbon black and identification method
Carbon black refers to black powdery or granular material, which is composed of many tiny particles with the average particle size of between 10 and 2000 nanometers. It is composedot many carbon atoms buthydrophobic in nature. Carbon black can be prepared by pyrolysis of hydrocarbons such as coal ......
JGJ81-2002 Construction Steel Structure Welding Technical Regulations (Part 8)
Welding technology regulations of building steel structures according to JGJ81-2002(part 8)
Welding of steel structures is an important part of the construction technology of steel structures. In steel structure construction, welding is used to connect steel members, building components and addit......
JGJ81-2002 Construction steel structure welding technical specification (fourth)
National Technical Specifications for Steel Building Co welding of JGJ81-2002
In 2002, the National Technical Specifications for Steel Building Co welding (JGJ81-2002) was introduced for the construction industry. This document embodies a set of rules and norms that are intended to standardize an......
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......
Electroslag casting alloy tool steel module (YB/T155-1999)
Introduction
Tool steel is one of the most important components used in metalworking and mechanical manufacturing. It is a special steel alloy composed of many elements and used in a wide range of industrial applications. It has strong wear resistance, high strength and good toughness, as well as......
Carbon steel flux cored wire GB 10045-881
Carbon steel electrodes for arc welding
Carbon steel electrodes for arc welding are an important part of the welding industry. These electrodes are commonly used for a variety of structural fabrication, pressure vessel fabrication, and pipe fabrication welding processes.
These electrodes play a ......
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