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EN 10208 Standard Steel Pipe for pipelines for combustible fluids The process by which a flat product is formed into a pipe without heating of the plate or strip.Cold working operation with a permanent strain greater than the maximum strain of 1.5% which differentiates it from sizing operations specified in table. For seamless pipe, the entire pipe; for welded pipes, the entire pipe excluding weld(S) and heat affected zone (HAZ) Normalizing forming Forming process in which

ASTM A135 Electric-Resistance-Welded tube steel pipe for Automotive Industry Specifications Standard: ASTM A135 Standard Specification for Electric-Resistance-Welded Steel Pipe Material: ASTM A135 GRA GRB Application: 1. Low and middle pressure fluid transportation pipeline 2. Casing Tube 3. Boiler Pipe 4. Petroleum and natural gas industry 5. Chemistry industry 6. Electric industry Surface Treatment: 1.Bared 2.Black Painted (varnish coating) 3.Galvanized 4.Oiled 5.PE,3PE, FBE

EN10217-3 P275NL1 P355NH P460N Welded Alloy Fine Grain Round Steel Tubes HFW SAWH SAWL EN10217-3 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes Material: Fully killed steel, Fine grain steel with a ferritic grain size. Steel Names: In accordance with EN10027-1 and CR10260 Manufacture: HFW High frequency welded SAW Submerged arc welded - longiditudinal seam - SAWH - helical seam - SAWL Welding Procedure: Testing

EN10219-1 EN10219-2 Cold Formed Welded Structural Hollow Sections of Non-Alloy and Fine Grain Steels Part 1: Technical delivery condition Part 2: Tolerances, Dimensions and Sectional Properties Structural hollow section manufacturing process: Structural hollow sections are manufactured by electric welding or submerged arc welding without subsequent heat treatment. Hollow sections manufactured by a continuous process shall not incude the welds used to join the lengths of strip

Standard: BS6323-2 Seamless and welded steel tubes for Automobile, Mechanical and General Engineering purposes Part 2: Specific Requirements for Hot Finished Welded Steel Tubes Applications: for Auto industry / for machinery use/mechanical and general engineering purposes Size range: O.D.:6-350mm W.T.:1-30mm L:max12000mm Design ation Chemical Compositions( ladle analysis) Mechanical properties Cmax. Simax. Mnmax. Pmax. Smax. Remin. Rmmin. Amin. % % % % % N/mm2 N/mm2 % HFW 2 0

BS6323-2 HFW2 HFW3 HFW4 HFW5 Hot Finished Welded Steel Tubes for Automobile Standard: BS6323-2 Seamless and welded steel tubes for automobile, mechanical and general engineering purposes Part 2: Specific requirements for hot finished welded steel tubes Applications: for Auto industry / for machinery use/mechanical and general engineering purposes Size range: O.D.:6-350mm W.T.:1-30mm L:max12000mm Method of Manufacture: The tubes are manufactured from flat rolled strip with

BS6323-5 ERW1 ERW2 ERW3 ERW4 ERW5 Electric Resistance Welded Steel Tubes Standard: BS6323-5 Seamless and Welded steel tubes for Automobile,Mechanical and General Engineering Purposes Part 5: Specific requirements for electric resistance welded (including induction) steel tubes Steel Grade: ERW1 ERW2 ERW3 ERW4 ERW5 Applications: for Auto Industry / for Machinery Use/Mechanical and General Engineering Purposes Size range: O.D.:6-350mm W.T.:1-30mm L:max12000mm Steel Grade and

BS6323-6 CW1 CW2 CW3 CW4 CW5 Cold Finished Electric Resistance Welded Steel Tubes with BK , BKW , GBK , GZF , NBK , NZF Standard: BS6323-6 Seamless and Welded Steel Tubes for Automobile,Mechanical and General Engineering Purposes Part 6: Specific requirements for cold finished electric resistance welded(including induction welded) steel tubes Applications: for Auto industry / for machinery use/mechanical and general engineering purposes Size range: O.D.:6-350mm W.T.:1-35mm L

Standard: BS6323-7 Seamless and welded steel tubes for automobile mechanical and general engineering purposes Part 7: Specific requirements for submerged arc welded steel tubes Steel Grade and Chemical Compositions: Applications: for Auto industry / for machinery use/mechanical and general engineering purposes Size range: O.D.: 508-2020mm W.T.:6.3-50mm L:max12000mm Chemical Compositions and Mechanical properties Designation Chemical Compositions( ladle analysis) Mechanical