SHINESTAR STEEL GROUP CO., LTD

盛仕达钢铁股份有限公司

News

  • Inspection in API 5L Pipe

    Inspection in API 5L Pipe

    Api 5L pipe corrosion is mainly for wall thinning, pitting rot point pit stress cracks. Pipe detection is the application of various technologies truly and records, including basic dimensions (pipe wall thickness and diameter) pipeline straightness road internal and external corrosion in pipeline...
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  • How solution treatment for stainless steel seamless pipe

    How solution treatment for stainless steel seamless pipe

    For stainless steel seamless pipe, the three elements of the solution treatment temperature, holding time and cooling rate. Stainless steel seamless solution treatment effect is as follows: 1: Make stainless steel seamless organization and composition uniform, which is particularly important for ...
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  • High frequency welding methods

    High frequency welding methods

    High-frequency welding with two ways: contact welding and induction welding. Resistance welding electrodes is a pair of copper on both sides of the steel pipe welded portion in contact with the induced current penetration is good, due to the two high-frequency current effects copper electrode in ...
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  • Galvanized pipe welding defects

    Galvanized pipe welding defects

    Defects in welding of galvanized steel pipe is mainly: thick edge, zinc, steel leakage defect layer falls off the three. 1, the thick edge Specifications thick hot rolled plate, strip running speed is low, when the hot-dip galvanized steel strip edges than in the central zinc zinc layer thickness...
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  • Hot-rolled seamless steel pipe deformed processes

    Hot-rolled seamless steel pipe deformed processes

    Hot-rolled seamless steel pipe production base deformation process can be summarized as three stages: perforation, extension and finishing. The main purpose of the perforation process is to become a solid round billet piercing hollow shell. Capillary in the specifications, accuracy and surface qu...
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  • Heat treatment defects

    Heat treatment defects

    Heat treatment can improve the processing performance of steel to improve its performance, significantly improve the mechanical properties of steel, and extend its life. Dynamic load and friction in a variety of work under conditions of gears, crankshafts and other parts, they require the surface...
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  • Galvanized carbon steel

    Galvanized carbon steel

    Galvanized carbon steel is steel that has gone through a chemical process to keep it from corroding. The steel gets coated in layers of zinc oxide because this protective metal does not get rusty as easily. The coating also gives the steel a more durable, hard to scratch finish that many people f...
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  • Features of expanding suppress or necking expanding

    Features of expanding suppress or necking expanding

    Expanding suppress or necking plus expanding repression, certain specifications diameter pipe may also be stamping. Diameter pipe (size head) is a pipe for pipe reducers at The forming process is usually necking repression. 1. The shape of the die used in reference to the drawing surface of the p...
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  • Effect of rust on the steel surface and the method of adhesion

    Effect of rust on the steel surface and the method of adhesion

    The surface morphology of steel and rust method used is closely related to its adhesion coating and tube sheets have a great impact. Rust using a wire brush, brush off the rust can tilt the scales and dirt, while the tube sheet adhered to a solid oxide brush can not afford. Use throw (spray) pill...
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  • How to Maintain the Stainless Steel ?

    How to Maintain the Stainless Steel ?

    If treated or stored incorrectly, any grade of stainless steel may discolor or stain. To maintain optimum appearance, the surface should be cared for regularly. During installation The quality of installation affects the durability and lifespan of stainless steel. Therefore, it is important to ma...
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  • Features of duplex stainless steel

    Features of duplex stainless steel

    Compared with the austenitic stainless steel, duplex stainless steel of the advantages are as follows: (1) High yield strength than conventional austenitic stainless steel more than doubled, and has molded plastic needs adequate toughness. With wall thickness of duplex stainless steel tank or pre...
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  • Epoxy coating pipe

    Epoxy coating pipe

    Epoxy coated steel pipes is ordinary steel after surface treatment and then made ​​in the characteristics of the steel surface coated with epoxy resin material. This epoxy powder coated steel pipes used has excellent chemical resistance to rust corrosion, scale inside and many other issues long-t...
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