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JGJ81-2002 Construction steel structure welding technical specification (twenty-nine)
Steps for Welding Steel Structures According to JGJ 81-2002 Welding of steel structures is an important process in the construction and manufacturing industry. In the past, welding processes were largely undocumented and the industry relied on trial and error methods of welding that were often ti......
tags: welding 812002 jgj welding steel construction
1093
Oliver
NF is the French standard
NF is the French Standard France is a developed country with a rich history, culture, and economy. It also has a broad impact across the globe. A testament to this impact is NF, the French Standard, which has become internationally recognized. But what is NF, and how has it become so influential......
tags: standards nf quality nf french products
1054
Sophia
Carburized bearing steel (GB 3203-82)
Carbon bearing steel (GB 3203-82) Carbon bearing steel, also known as bearing steel, is a type of steel alloy used in the production of bearing components that meets the China national standard GB 3203-82. It is characterized by excellent fatigue resistance, residual compressive notches, wear res......
tags: steel bearing carbon steel bearing used
1038
Sophia
Iron Chip Progressive Die Processing Requirements
Introduction The assembly of electronic components requires precise levels of accuracy and attention to detail. This is especially true with the machining of core chips, which are integral to the circuit boards used in a variety of electronic devices. The success of the machining process depends ......
GB 5126-85 Eddy current testing method for aluminum and aluminum alloy cold-drawn thin-walled pipes
Abstract This article introduces the detection of eddy current of cold-drawn thin-wall tube material made of aluminum and aluminum alloy according to the national standard GB 5126-85. This method of eddy current testing is a reliable, high-efficiency nondestructive testing technology, which is wi......
9SiCr use
1 Introduction 9SiCr is an alloy steel that consists of a combination of silicon and chrome. Its properties include high strength and excellent wear resistance at elevated temperatures. It is often used in the production of cutting tools, mining and drilling equipment, automotive parts and compon......
GB 2975-82 Sampling regulations for steel mechanical and process performance tests
GB 2975 - 82 Specification for Sampling and Testing of Mechanical and Process Properties of Steel GB 2975 - 82 is a national standard for sampling and testing of steel for selection and identification purposes. This standard covers the various methods for sampling and testing steel properties relat......
tags: steel sampling testing steel should sample
1065
Sophia
1Cr11MoV use
1 Introduction1.1 Overview 1Cr11MoV is a kind of cold work tool steel, which is a common tool steel. It is a kind of alloy tool steel with Cr, Mo, V as the main alloying elements. It has good high temperature strength, abrasion resistance and hardness, and low toughness. The steel is produced by t......
tags: steel high cold 1cr11mov high steel
1186
Avery
20CrMnTi application
20CrMnTi steel is a common kind of medium carbon, low alloy carburized steel at an economical cost with good hardenability and excellent toughness. Its characteristics of good physical and mechanical properties, good wear resistance, high strength and good weldability, make it suitable for many ap......
tags: steel 20crmnti fitup 20crmnti gear tempering
1097
Hazel
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