Product News


    NONDESTRUCTIVE TESTING METHODS An NDT method is classified according to its underlying physical principle. For example, the common methods are: • Visual and optical testing (VT) • Radiographic testing (RT) • Ultrasonic testing (UT) • Liquid penetrant testing (PT) • Magnetic particle testing (MT) ...
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  • What is an ERW steel pipe

    What is an ERW steel pipe

    A pipe formed by Electric Resistance Welding or ERW having one vertical seam without addition of any metal is called ERW pipes or tubes. It can be available in varied diameters and wall thickness. The sizes of pipes ERW pipes can range from 2 3/8 inch to 24 inch outer diameter and length can be o...
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  • Cast Iron Pipe

    Cast Iron Pipe

    Cast iron pipe form tubes with cast iron casting. The cast iron pipe is used for water supply, drainage and gas pipelines, which includes a cast iron pipe and fittings. Labor intensity. Accoring to casting methods, it is divided into continuous cast iron pipes and centrifugal cast iron pipe, incl...
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  • Seamless pipe vs Welded pipe

    Seamless pipe vs Welded pipe

    Difference seamless pipe and welded pipe Concentricity: seamless pipe manufacturing process is at a temperature of 2200 ° F in a stainless steel billet punching out a hole in this high temperature tool steel by stamping and drawing becomes soft and spirally from the Kong Zhongcheng shaped out. Su...
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  • Oil paint

    Oil paint

    Oil paint uses the drying oil as the main film coating material for a class, mainly edible vegetable oil, paste paint, oil blending paint, rust and oil putty, putty and so on. The disadvantage is slow drying, poor physical and chemical properties of the coating, now mostly been replaced by the ex...
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  • Large diameter thick-walled seamless steel pipe

    Large diameter thick-walled seamless steel pipe

    Large diameter steel pipe often refers to the out diameter with more than 1000mm. large diameter steel pipe use is generally more widely, generally used for large-scale pipeline projects, water gas engineering, pipe network construction of large projects. Large diameter steel pipe production proc...
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  • Extruded pipe

    Extruded pipe

    Extruding pipe is the cold extrusion, hot extrusion, respectively of the warm extrusion process of pipes. Extrusion is widely used in the production of aluminum, copper and other nonferrous metals pipes and profiles. Steel used to produce both hot extrusion of special pipes and profiles, but also...
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  • Electric Resistance Welding

    Electric Resistance Welding

    Electric resistance welding is the use of current through resistor between the workpiece and the welding heat generated by the contact surface, the plastic is heated to a weldment or partial melting state, then apply pressure welding method of forming a welded joint. There are four main resistanc...
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  • Galvanized pipe

    Galvanized pipe

    Galvanized pipe manufaturing process Galvanized pipe sulfate electro-galvanized the ferroalloy process is the production trough perforation direct solution to bring out or overflow. Various production process from the circulatory system, the slot solution, alkali solution, plating solution, a lig...
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