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Constant elastic alloys 3J53 and 3J58 for frequency components (YB/T5254-1993)
， 题目：A comparative study of two shape memory alloy materials -3J53 and 3J58（YB/T5254-1993）
Shape Memory Alloy (SMA) is a recent technology that has significant potential for use in the next generation of smart materials. This technology has been steadily gaining traction due to its remarkabl......
1052 
Samantha
Alloy structural steel bars for steam turbine bolts (YB/T158-1999)
Turbine bolt alloy steel bar (YB/T158-1999) Introduction
Turbine bolt alloy steel bar, also known as turbine rotor head bolt steel bar, is an important material widely used in the power industry. It is mainly used as a connecting bolt in turbines, generators and other high-speed and heavy-duty ro......
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 Tensile Test Specimen GB 6397-86
Metal Tensile Test Sample: GB 6397-86
Tensile testing is an important part of understanding a material’s properties, such as its ability to be formed, hardened and welded. This article focuses on the use of GB 6397-86, a standard metal tensile test sample designed to evaluate mechanical properti......
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 ......
Malleable Iron Castings (Abstract) GB 9440-88
GB 9440-88 is a national standard issued by the Ministry of Industry and Information Technology of the Peoples Republic of China. It specifies technical requirements, test methods and inspection rules, conditions of supply and acceptance, and packaging, marking and quality certificate of cast iron......
GB 17926-1999 Compressed natural gas cylinder valves for vehicles
GB 17926-1999Road Vehicle Compressed Natural Gas Cylinder Valves
This standard applies to road vehicle compressed natural gas (CNG) cylinder valves (hereafter referred to as valves).These valves are used for the connection of CNG cylinder and the other components in CNG system.
The technical re......
GB5842-1996 liquefied petroleum gas cylinder (1)
Liquid Petroleum Gas Cylinders (GB5842-1996)
Liquid Petroleum Gas (LPG) Cylinders are designed for the purpose of storing and transporting liquefied petroleum gas from one place to another. These cylinders are made of special alloy steel and are in accordance with the technical regulations set fo......
Ferrochrome nitride (YB/T5140-1993)
：
Chromium nitride iron, also known as compound ferritic nitride (Cr + Fe3N), is a high-performance, wear-resistant material developed in the late 20th century. Its wear-resistant performance is about three times higher than that of a high-speed steel cutting tool, and its mechanical properties a......
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......
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