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NS332 use
For medical purposes, the NS332 is an essential piece of equipment. It is a lightweight, handheld instrument designed to measure the pressure and flow of air in the lungs of patients suffering from such illnesses as asthma, cystic fibrosis and COPD (chronic obstructive pulmonary disease). It has p......
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High temperature alloy grade (GB/T14992-1994)
High temperature alloys are divided into two categories, iron-based and nickel-based alloys. Large differences exist between iron- and nickel- based alloys. As iron-based alloys have a higher Curie temperature, they can be used below the Curie temperature. Above the Curie temperature, nickel-base......
Application prospect of high-efficiency and high-grade silicon steel
Introduction
High efficient, high grade silicon steel is widely used in electronic components and electric appliances, such as motors, generators, transformers, ballasts, etc. Compared with the traditional silicon steel material, this has obvious advantages in terms of cost, performance, and envi......
High hardness, high resistance and high magnetic permeability alloy (GB/T14987-1994)
High Hardness High Resistivity High Magnetic Conductive Alloy
High resistance to high-frequency high-impedance high-order copper magnetic conductor alloys are important electronic and electrical components in electronic circuit products such as automobiles and electrical appliances. It is widely ......
Iron-aluminum soft magnetic alloy (GB/T15004-1994)
Introduction to Iron-Aluminum Soft Magnetic Alloys (GB/T15004-1994)
Soft magnetic alloy is a kind of soft magnetic alloy with low carbon content and high silicon content, which is composed of ferrite and other two element alloys. Soft magnetic alloy is widely used in various fields because of its......
Iron nickel cobalt glass sealing alloy 4J29 and 4J44 (YB/T5231-1993)
铁—镍—钴玻璃封合金4J29
Introduction
Iron-Nickel-Cobalt Glass Sealing Alloy 4J29 is a kind of casting or hot-forging cobalt-based alloy, which has high melting point of 1700℃－1850℃, high tensile strength and can keep its shape and properties in bearing conditions of higher temperature and pr......
Iron-nickel soft magnetic alloy (GB/T198-1988)
Iron-Nickel Soft Magnetic Alloy
Iron-nickel soft magnetic alloys are widely used in electrical and electronic applications due to their excellent magnetic properties and excellent mechanical properties. As a material, this non-ferrous alloy has a high magnetic permeability, high electrical resist......
GB 5777-86 Ultrasonic testing methods for seamless steel pipes
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Ultrasonic Testing for Seamless Steel Pipe
Ultrasonic testing (UT) has been routinely used for decades to provide qualitative and quantitative measurement for the integrity of various types of materials. By directing high frequency sound energy through a material, defects may be detected, locat......
Micro carbon ferrochrome by vacuum method (GB/T5684-1987)
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Vacuum Carbon Chromium Iron (GB/T5684-1987)
Vacuum carbon chromium iron, also known as high-strength low-alloy steel (HSLA), is a grade of steel alloyed with chromium and carbon for strength, toughness, and corrosion resistance. It is more commonly used in the consumer and industrial markets fo......
Designation and chemical composition of waste heat treated steel bars (GB 13014-1991)
GB 13014-1991: The Board of Chemical Composition and Brand Numbers of Heat-treated Steel Bars
1. Basic rules
This code sets out the classification, chemical composition and brand numbers of heat-treated steel bars (hereinafter referred to as “bars”).
2. Classification
The heat-treated ste......
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