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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......
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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......
Iron chrome glass sealing alloy 4J28 (YB/T5240-1993)
INTRODUCTION
4J28 is a kind of Fe-Cr-B glass sealing alloy, which is a duplex structure of Cr24-Fe. It is non-magnetic, has excellent corrosion resistance and is applicable to 300℃, which has excellent corrosion resistance and heat conduction performance. It is suitable for the manufacture of vac......
High-quality structural steel cold-drawn steel (GB/T3078-1994)
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Quality Structural Steel Cold-Drawn Steel (GB/T3078-1994)
Cold-Drawn Steel is a type of high-quality structural steel commonly used in the manufacturing of various machinery and parts for a wide variety of industries. Following the implementation of a set of standards known as GB/T3078-1994, co......
18NiCr5-4 use
The 18NiCr5-4 alloy, commonly known as DIN 1.5810, is a high-carbon low alloy steel used for a variety of industrial applications. Due to its low alloy content and high carbon content, the 18NiCr5-4 alloy is highly heat treatable and is often used for components that require high strength and ducti......
1Cr12W1MoV use
The uses of 1Cr12W1MoV
1Cr12W1MoV is a type of alloy steel that has wide application in various industries. The alloy contains chromium and vanadium, which give it good strength and abrasion resistance, while molybdenum and tungsten increase its strength and wear resistance. It is a great choice ......
0Cr18Ni10Ti use
1 Introduction 1.1 Background The stainless steel AISI 304L (X2CrNi19-11) is the most widely used austenitic steel in the world. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. As a result of these alloying elements, this type of steel suits a wide range of ......
20Cr use
20Cr Usage
20Cr is a low-alloy steel generally used in production applications and automotive parts, particularly in crankshafts, camshafts and other engine components. 20Cr is commonly found in automotive and commercial exhaust systems, engine parts, shocks and springs, differential cases, trans......
20Mn2 use
Introduction
20Mn2 steel is a manganese steel that has excellent hardenability and strength. It is commonly used for components such as valves, pumps, crankshafts, transmissions and other parts that require a high level of strength. The alloy can be heat treated to generate a wide range of mechan......
12CrNi2 use
Introduction to 12CrNi2
12CrNi2 (12 Chrome Nickel 2) is a high-alloy chromium-nickel steel. It is composed of 12 percent chromium, 2 percent nickel steel. Its properties provide high strength and heat resistances making it ideal for a range of applications in automotive, aerospace, chemical and o......
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