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  • Welding process classification

    Welding process classification

    Welding is a process of joining two metal pieces as a result of significant diffusion of the atoms of the welded pieces into the joint (weld) region.Welding is carried out by heating the joined pieces to melting point and fusing them together (with or without filler material) or by applying press...
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  • Classification And Processing Technology Of Stainless Steel Pipe Fittings

    Classification And Processing Technology Of Stainless Steel Pipe Fittings

    Tee, elbow, reducer are common pipe fittings Stainless steel pipe fittings include stainless steel elbows, stainless steel reducers, stainless steel caps, stainless steel tees, stainless steel crosses, etc. By means of connection, the pipe fittings can also be divided into butt welding fittings, ...
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  • What are the classifications of stainless steel tees

    What are the classifications of stainless steel tees

    Due to the large equipment tonnage required for the hydraulic bulging process of stainless steel tee, it is mainly used for the manufacture of stainless steel tee with standard wall thickness less than dn400 in China.   The applicable forming materials are low carbon steel, low alloy steel a...
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  • What’s the background of black steel pipe?

    What’s the background of black steel pipe?

    History of  Black Steel Pipe William Murdock made the breakthrough leading to the modern process of pipe welding.In 1815 he invented a coal burning lamp system and wanted to make it available to all of London. Using barrels from discarded muskets he formed a continuous pipe delivering the coal ga...
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  • Global metals market facing worst situation since 2008

    Global metals market facing worst situation since 2008

    This quarter, base metals prices slumped the worst since the 2008 global financial crisis. At the end of March, the LME index price had fallen by 23%. Among them, tin had the worst performance, falling by 38%, aluminum prices fell by about one-third, and copper prices fell by about one-fifth. Thi...
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  • What is the difference between stainless steel 316,316L,316H,316Ti

    What is the difference between stainless steel 316,316L,316H,316Ti

    Hunan Great supplies 316 /316L seamless pipe. Need a quote? Send an email to : sales@hnssd.com SS 316,316L,316H,316Ti are both the 18/8 standard molybdenum based austenitic grades. Stainless steel grade 316 is an austenitic chromium-nickel stainless steel with molybdenum. second stainless steel i...
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