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  • Difference Between A53 Pipe vs A106 Pipe

    Difference Between A53 Pipe vs A106 Pipe

    A53 Pipe vs A106 Pipe – Scope(1) ASTM A53 is Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless. ASTM A106 is Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service. A53 Pipe vs A106 Pipe – Applied Type of...
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  • Difference between seamless pipe and welded pipe

    Difference between seamless pipe and welded pipe

    What is a Seamless pipe? Seamless pipe is made from a round steel billet (solid cylindrical hunk of steel that is cast from raw steel). This billet is then heated, stretched out and pushed or pulled over a form. It is then pierced through the center with a die and mandrel whic...
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  • Fire fighting pipe

    Fire fighting pipe

    Fire fighting pipe is a type of normal carbon steel pipe used to convey fire suppression agent such as water or gas. Usually it is red in color. But light-wall pipes have a galvanized exterior of a silvery appearance. Installation of red steel pipe is limited to wet pipe sprin...
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  • ASTM A312 TP316/ TP316L Pipes

    ASTM A312 TP316/ TP316L Pipes

    General Introduction & Applications ASTM A312 Grade TP316 and TP316L refer to the stainless steel 316 and 316L respectively. The prefix “TP” denotes “type” of the stainless steel. TP316 or TP316L pipes may be furnished in seamless or longitudinally welded types with butt w...
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  • Explanation of special terms related to petroleum pipeline

    Explanation of special terms related to petroleum pipeline

    API: It is the abbreviation of American Petroleum Institute in English, and Chinese means American Petroleum Institute. OCTG: It is the abbreviation of Oil Country Tubular Goods in English, which means special oil pipes in Chinese, including product oil casing, drill pipe, dri...
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  • What is the Material of Boiler Tubes

    What is the Material of Boiler Tubes

    Boiler steel pipes includes medium pressure boiler pipe and high pressure boiler pipe, it is often manufactured in seamless procedures, welded steel pipe is not applicable. Water-tube Boiler tubes A boiler with a high pressure water tube has become a form of boiler in which wa...
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  • Difference between ASTM A249, A269, A270, and A554 Stainless steel tubing

    Difference between ASTM A249, A269, A270, and A554 Stainless steel tubing

    Surface Finish A249 and A269 both require Surfaces “free of scale” – annealing of the tube is normally done in a controlled atmosphere and this “bright annealed” finish is considered acceptable. A270 requires selection of both internal and external Surfaces. The possible condi...
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  • Physical Properties of 304 Steel

    Physical Properties of 304 Steel

    Stainless steels get their names from the American Iron & Steel Institute (AISI) and the Society of Automotive Engineers (SAE), who have separately created their own naming systems for steel alloys based on alloying elements, uses, and other factors. Steel names can get c...
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  • How is the weld stainless steel pipe produced

    How is the weld stainless steel pipe produced

    1. Splitting : Splitting rolls with bigger sizes into rolls with smaller sizes according to each size tubes or to customer’s requirements rolled through the tape discharge system. This stage requires precision in terms of the size belonging to the tape according to the given t...
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