Industry News

  • What kind of bolt connection does stainless steel flange use?

    What kind of bolt connection does stainless steel flange use?

    Customers often ask: stainless steel flange connection whether to choose stainless steel bolts? Now I will write what I have learned to share with you: Material has nothing to do with the material of flange bolts, according to the European system HG20613-97 “steel pipe flange with fastener...
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  • How to use welding flange correctly

    How to use welding flange correctly

    Flanges With the rapid development of domestic foreign minister pipeline construction, pipeline pressure test has become an essential important link, before and after the pressure test, must pass the ball sweep line for each section of the pipeline, the number of times is generally 4~5. Especiall...
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  • Applications of hardenability and hardenability of forgings

    Applications of hardenability and hardenability of forgings

    Hardenability and hardenability are the performance indexes that characterize the quenching ability of forgings, and they are also the important basis for selecting and using materials.Hardenability is the maximum hardness that a forging can achieve under ideal conditions.The main factor determin...
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  • The way to improve the plasticity of forging and reduce the deformation resistance

    The way to improve the plasticity of forging and reduce the deformation resistance

    In order to facilitate the flow forming of metal billet, reduce the deformation resistance and save equipment energy, the following methods are generally adopted in forging process: 1) Grasp the material characteristics of forgings, and select a reasonable deformation temperature, velocity and de...
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  • Flange standard

    Flange standard

    Flange standard: National standard GB/T9115-2000, Ministry of Machinery STANDARD JB82-94, Ministry of Chemical Industry standard HG20595-97HG20617-97, Ministry of Electric Power standard GD0508 ~ 0509, American standard ASME/ANSI B16.5, Japanese standard JIS/KS(5K, 10K, 16K, 20K), German standard...
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  • What are the methods of forging cleaning

    What are the methods of forging cleaning

    Forgings cleaning is the process of removing surface defects of forgings by mechanical or chemical means. In order to improve the surface quality of forgings, improve the cutting conditions of forgings and prevent the surface defects from enlarging, it is required to clean the blank and forgings ...
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  • Defects and Countermeasures of large forgings: Uneven microstructure and properties

    Defects and Countermeasures of large forgings: Uneven microstructure and properties

    Large forgings, due to their large size, many processes, long cycle, non-uniformity in the process, and many unstable factors, often cause serious non-uniformity in the microstructure, so that they cannot pass the mechanical property test, metallographic inspection and non-destructive flaw detect...
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  • Defects and Countermeasures of large forgings: Forging cracks

    Defects and Countermeasures of large forgings: Forging cracks

    In large forging, when the quality of raw materials is poor or forging process is not at the right time, forging cracks are often easy to occur. The following introduces several cases of forging crack caused by poor material. (1) Forging cracks caused by ingot defects Most of the ingot defects m...
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  • The forging process of ring forgings

    The forging process of ring forgings

    Ring forgings are widely used in industry at present. The forging process of ring forgings is also composed of four parts. The following is mainly to tell you about some ring forging process, I hope you can learn. The forging process of ring forgings mainly consists of the following steps: Pier ...
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  • The basic process of forging

    The basic process of forging

    The forging process of forgings is generally as follows: ingots preparation or blank blanking – ingots (blank) inspection – heating – forging – cooling – intermediate inspection – heat treatment – cleaning – final inspection after forging. 1. the in...
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  • The influence of various metals on the properties and malleability of steel

    The influence of various metals on the properties and malleability of steel

    Metals are thermoplastic and can be pressed when heated (different metals require different temperatures). This is called malleability. Malleability the ability of a metal material to change shape without cracking during pressure working. It includes the ability to perform hammer forging, rolling...
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  • What are the application areas of large ring forgings?

    What are the application areas of large ring forgings?

    Large ring forgings are widely used, but in what specific ways can they be used? The following article is mainly for you to tell. 1.Diesel engine ring forgings: a type of diesel forgings, diesel engine diesel engine is a kind of power machinery, it is often used for engines. Taking large diesel e...
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