Search results for keyword: ultra
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......
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Boiler raw material incoming inspection JB 3375-83
Boiler Raw Materials Incoming inspection JB 3375-83
Inspections of raw materials prior to their incorporation with the boiler process are often employed to ensure the quality of the end product. The quality assurance standard of the incoming inspection of raw materials for boilers is JB 3375-83-......
Welding and Welding-Rolled Titanium Tube GB 4367-84
，题目是GB 4367-84 Welding and Rolling of Titanium Pipes
Welding and Rolling of Titanium Pipes GB 4367-84
Titanium is a lightweight, strong, corrosion-resistant metal that is increasingly used in construction and other fields. Its properties make it suitable for a wide range of applications, such......
Weldability test T-joint welding crack test method GB 4675.3-84
Weldability test
The welding joints are an important part of most structures, which are used to make connections between sections or components of a structure, so the weldability of certain structures is an important factor in the overall performance and strength of the structure. It is, therefo......
Heat-resistant iron castings (abstract) GB 9437-88
Abstract
Heat-resistant cast iron, also known as heat resistant cast iron or heat resistant alloy cast iron, is a kind of cast iron material with strong heat resistance and high strength at high temperature. Its basic components are 2.5%-4.5% carbon and 11%-30% chromium, and some other impurities......
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 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......
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......
GB/T 4162-91 ultrasonic Inspection Method for Forged Steel Bars
材料
Abstract
ultrasonic testing is an important technique for detection of rolling defects in steel bars. ultrasonic testing is typically used to detect internal flaws, such as cracks and other discontinuities, that cannot be detected by visual inspection. GB／T 4162–91 regulates the ultrasonic ......
Composite steel plate ultrasonic flaw detection method GB 7734-87
ultrasonic testing is a form of non-destructive testing that utilizes the principle of ultrasound, which is the vibration of sound waves greater than the human ear can detect, to detect flaws in a material. It’s one of the most common testing methods used to inspect steel plates, and can be appli......
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