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Briefly explain the calculation of bearing life
The Calculation of Bearing Life In order to accurately calculate the life span of bearing, one must first understand what a bearing is and what forces can cause it to wear out prematurely. A bearing is a device which supports and locates a rotating shaft in a predetermined position in relation t......
tags: bearing life temperature bearing life load
1058
Sophia
Manufacturing method and delivery status of seamless steel pipes for high-pressure chemical fertilizer equipment (GB 6479-2000)
GB 6479-2000 Seamless Steel Pipes for High Pressure Fertilizer Equipment Manufacture and Delivery State This standard deals with the seamless steel pipes that are used in high pressure fertilizer equipment, specifying the requirements and delivery states of the pipes. 1. Scope This standard spe......
tags: steel gb pipes pipe steel seamless
1062
Aiden
ASTM A484M-1998 General requirements for stainless and heat-resistant steel bars, billets, and forgings
Abstract This specification covers general requirements for wrought stainless steels and heat resisting steels in the form of bars, billets, blooms, and forgings for general requirements. The steel shall conform to chemical composition requirements, in which cost-effectiveness shall be considered......
Technical delivery conditions for welded round steel pipes of austenitic stainless steel with special requirements (DIN 17457-1985)
This standard sets out the technical requirements for the delivery of welded stainless steel tubes with special requirements made of austenitic stainless steel (DIN 17457-1985). 1 Scope This Standard applies to stainless steel tubes made of austenitic stainless steel, referred to as welded tubes......
GB1591-1979 "Technical Conditions for Low Alloy Structural Steels"
Low Alloy Structural Steel Technical Conditions GB 1591-1979 Introduction The formulation and promulgation of GB 1591—1979 “Low Alloy Structural Steel Technical Conditions” is mainly to promote the development and use of steel structures with excellent performances in our country. GB 1591—1979 ......
Curvature, weight and allowable deviation of waste heat treated steel bars (GB 13014-1991)
The bending diameter, weight and allowable deviation of heat-treated steel bars (GB 13014-1991) In China, the bending diameter, weight and allowable deviation of heat-treated steel bars are stipulated by the national standard of GB 13014-1991. 1.Bending diameter The bending diameter of heat-tre......
tags: steel bars deviation steel bending should
1056
Emily
GB/T 11253-1989 Carbon structural steel and low alloy structural steel cold rolled sheet and strip
版本 Cold-rolled sheet steel and steel strips made of carbon structural steel and low-alloy structural steel are used in a wide range of applications. GB/T 11253-1989 is the national standard for the production and quality assurance of these products. This article provides a detailed description of......
tags: steel standard gbt steel gbt plates
1052
Emma
Steel Price Index
Steel Price Index There is no better way to assess the economic and market trend of a certain commodity than by looking at its price index. The steel price index is one such tool that provides an excellent insight into the global steel market. This index tracks the prices of several types of stee......
tags: steel index price steel index market
1055
Hannah
Test method for strain aging sensitivity of steel (Charpy impact method) GB 4160-84
Introduction Xiebisheng test is a common tool used in among metallographers. It is a specially studied impact test which is capable of telling the user stress-strain sensitiveness of particular materials. In this test, a sample of material is evaluated for its property of sensitizing to strain an......
tags: test sample should test used materials
1048
Sophia
Construction project supervision specification (GB50319-2000)
Chinese Construction Project Supervision Standard (GB50319-2000) China has experienced a dramatic shift in its labor force and economy in the last few decades. This shift has necessitated the adoption of stricter and more comprehensive regulations, standards, and guidelines for China’s construc......
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