Cangzhou Botop International Co., Ltd

ASTM A179 Heat exchanger Seamless Steel Tubes Standard: ASTM A179/(ASME SA179) This specification covers for several grades of carbon and alloy steel mechanical tubing . Application of ASTM A179/SA179 Seamless Cold Drawn Low Carbon Steel Heat Exchanger And Condenser Tubes Pipe ordered under this specification is for tubular heat exchangers, condensers, and similar heat transfer apparatus Manufacturing Process of Seamless Medium- Carbon Steel Boiler The tubes shall be made by the seamless process and shall be cold drawn. Details of ASTM A179/SA179 We can supply: Manufacture:Seamless process: cold drawn Seamless Steel Pipe Size: O.D.: 10.0～76mm W.T.: 2～10mm Length: 6M or specified length as required. Ends: Plain End, Beveled End. Heat treatment: Tubes shall be heat treated after the final cold drawn pass at a temperature of 1200°F or higher. Appearance for ASTM Boiler Tube A sufficient number of visual surface imperfections to provide seasonable assurance...

ASTM A333 Gr.6 Seamless Steel Pipe Standard: ASTM A333/A333M Gr.6 This specification covers seamless ferritic steel pipe   and EFW Welded carbon Pipe   and alloy-steel pipe for high-temperature service. Application of ASTM A333 Seamless Steel Pipe Seamless carbon and alloy steel pipe is intended for use at low temperatures and in other applications requiring notch toughness. For example: power stations, nuclearpower plants, chemical plants, oil refineries, industrial plants and so on. Manufacturing Process of ASTM A333 Seamless Steel Pipe : ASTM A333 pipe shall be made by the seamless steel pipe (cold-drawn or hot rolled) as specified. Details of ASTM A333 Gr.6 Seamless Steel tube : Manufacture: Seamless and welding and process are available, seamless process: cold drawn or hot rolled, but Grade 4 Shall be made by the seamless process. Seamless Steel Pipe: OD: 20~700mm W.T.: 2-30mm Grade: Grade 1, Grade 3, Grade 4, Grade 6 Length: 6M or specified lengt...

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ASTM A213 T11 Alloy Seamless Steel Boiler Tubes Standard: ASTM A213/ASME SA213 Application of ASTM A213 Alloy Seamless Steel pipe s : Pipe ordered under this specification is for manufacturing wall panel, economizer, superheater and steam pipeline of boilers Manufacturing Process of ASTM A213 Alloy Seamless Steel Tubes : ASTM A213 alloy seamless steel tubes are produced either by cold-drawn or hot rolled, as specified. Grade TP347HFG shall be cold finished. Heat treatment shall be done separately and in addition to heating for hot forming. The ferritic alloy and ferritic stainless steels shall be reheated. On the other hand, austenitic stainless steel tubes shall be furnished in the heat-treated condition. Alternatively, immediately after hot forming, while the temperature of the tubes is not less than the minimum solution temperature, tubes may be individually quenched in water or rapidly cooled by other means. Details of ASTM Boiler Tube   We can supply: Manufact...

ASTM A519 1020 Seamless Carbon and Alloy Mechanical Tubing This specification covers for several grades of carbon and alloy steel mechanical tubing. Application of ASTM A519 Carbon and Alloy Seamless Steel tub e : Pipe ordered under this specification is mechanical usage. Manufacturing Process of ASTM A519 Carbon Seamless Steel pipe : ASTM A519 carbon and alloy seamless steel tubing are produced either by cold-drawn or hot rolled, as specified. Hot finished tubes need not be heat treated. Cold finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F or higher. Details of ASTM A519 Carbon and Alloy Seamless Steel Tubing  We can supply: Manufacture:Seamless process ,cold drawn or hot rolled Size: O.D.: 15.0～300mm W.T.: 2～25mm Grade: 1008, 1020 Length: 6M or specified length as required. Ends: Plain End, Beveled End. Appearance for ASTM A519 Seamless Carbon Tubing : A sufficient number of visual surface imperfectio...