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Steam turbine steel casting technical requirements ZB K54 038-90 instead of JB 3285-83
来说明
Technical Conditions for Cast Steel Parts of Steam Turbines ZB K54038-90 Replacing JB3285-83
Steam turbines are widely used in various industries for converting thermal energy into mechanical energy to power pumps, compressors, and generators. Compared with other types of turbines, steam tu......
1040 
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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......
Deformed permanent magnet steel (GB/T 14991-94 replaces GBn 174-82)
Introduction
Permanent magnet steel is used in a variety of industries including electrical motors, generators, transformers, tools and home appliances. It is a type of stainless steel that has been designed specifically to offer powerful magnetic properties. Transformation permanent magnet steel......
Spiral submerged arc welded steel pipes for ordinary fluid conveying pipelines (instead of SY 5037-83) SY/T 5037-92
Abstract
Steel pipe welding is a common method for transporting fluids, especially for large-diameter pipes. With the development of technology, a new technique for welding steel pipe has been developed—spiral seam submerged arc welding. This technique has a number of advantages over previous ve......
Main domestic and foreign standards for steel used in auto parts (3)
The world of motor vehicle components requires a variety of steel grades in order to properly and efficiently produce components that are compliant with the multitude of safety requirements demanded by the industry. This article will explore three of the most prominent and commonly used standards ......
GB/T 5313-1985 through-thickness performance steel plate
GB/T 5313-1985 Thickness Oriented Performance Steel Plate
This standard specifies the technical requirements, inspection and acceptance, and packaging, marking and quality certificate of thick oriented performance steel plate (hereinafter referred to as steel plate). This standard applies to thic......
Spring steel hot-rolled thin steel plate (GB/T3279-1989)
哦 Spring steel hot-rolled and thin steel plate (GB/T3279-1989)
Spring steel hot-rolled and thin steel plate (GB/T3279-1989) is a carbon spring steel spring hot-rolled and thin steel plate product specifically designed to meet the needs and requirements of spring steel users. From its inception, th......
TC4 titanium alloy plate for important purposes GB 6613-86
Introduction
Titanium alloy is an important aerospace material. It is obviously superior to other materials in light weight and corrosion resistance, and has good thermal stability and high strength. It also has excellent corrosion resistance and especially some special properties such as low the......
tarja
The world has changed drastically over the past century. Perhaps the most impressive and influential development has been the rapid world-wide rise in technology and electronics. previously, it was unimaginable that people from different continents and countries could communicate instantly. Now, w......
Commonly used English for machinery: gears and gear processing
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Gear and Gear Processing
Gears are mechanical transmission components used to convert rotary motion into linear motion or to convert torque while maintaining a mechanical connection between two shafts. Gear production has a long history, from hand forging and machining to todays precision cut g......
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