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Metal pipe flaring test method GB 242-82
GB 242-82 Metal Tube Expanding Test Method This document provides requirements and procedures for expanding metallic tubes conforming to GB 242. This method relies on the properties of traditional thermally treated or mechanically formed metal tube components to expand under pressure. For this re......
tags: tube test should metal tubes test
1113
Megan
Metal pipe hydraulic test method GB 241-90
,请尽快 Hydraulic Testing of Metal Tubes Hydraulic testing of metal tubes is a type of test that is used to test the pressure capability of a tube. It applies hydraulic pressure to different points of the tube, to determine its strength and durability. This type of testing is important for a vari......
Metal resistance to sulfide stress corrosion cracking constant load tensile test method GB 4157-84
The GB 4157–84 Metal Anti-Sulphur Corrosion Stress Corrosion Cracking Constant Load Stretch Test Method is a standard created by the Chinese government to measure the susceptibility of a metal to stress corrosion cracking caused by sulphur. The purpose of this test is to determine the ability of ......
Gas Industrial Boiler Energy Saving Monitoring Standard
Energy-Saving Monitoring Standard for Industrial Gas Boilers Industrial gas boiler is an important energy-consuming equipment in industrial production. In recent years, with the continuous improvement of technology, the production process of industrial enterprises has been improved, the equipment......
General requirements for surface quality of hot-rolled steel sheets GB T14977-94
General Requirements for the Surface Quality of Hot Rolled Steel Sheets Hot-rolled steel sheets are widely used in construction engineering and other industries due to their excellent characteristics. To ensure a good performance, it is necessary to meet the surface quality requirements. General ......
tags: surface steel quality steel hotrolled surface
1072
Sophia
Japanese National Standard Tapered Thread Dimensions
Japan National Standard Cone Thread Sizes Japan national standard cone threads sizes are standardized by the Japan Industrial Standards Committee (JISC). As the name implies, these are standard threads that are used in many different types of industries including automotive, marine, and even aer......
tags: threads japan standard thread cone diameter
1039
Hazel
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......
tags: welding steel structures groove shall welding
1044
Sophie
Flux for submerged arc welding of low alloy steel GB 12470-90
,标准不低于TOEFL阅读难度 Low Alloy Steel Arc Welding: Welding Agents One of the most important reasons why steel is the most popular material used in the construction of industrial facilities is its ability to be combined and interrupted. This ability is made possible by welding, a process that u......
tags: welding steel arc welding should weld
1044
Sophia
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......
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