Welded Steel Tube

Welded Stainless Steel Tubes for Mechanical Structure GB/T 12770 SPEC: Material:304/304L 316/316L 321 302 310S Size Range:OD:4-1200mm WT:0.3-200mm General Length:2-12m Tolerance: According to the following tables or customers’ request. Table1Tolerance of OD Classification Nominal OD Permissible Tolerance PC PB PA H T ＜25 ±0.20 ±0.15 ±0.10 ≥25~＜40 ±0.30 ±0.25 ±0.20 ≥40~＜63 ±0.50 ±0.30 ±0.25 ≥63~＜90 ±0.60 ±0.50 ±0.40 ≥90~＜159 ±0.80 ±0.65 ±0.50 ≥159~＜300 ±0.8%D ±0.7%D ±0.5%D

300L~3000L Seamless Steel Tubes for Large Volume Gas Cylinder GB 28884 SPEC: Material:30CrMoE 42CrMoE 4130X 4142 Size Range:OD:80-1200mm WT:4-100mm General Length:4-12m Tolerance: According to the following tables or customers’ request. Category Size Tolerance Outside Diameter(D) - ±1%D Minimum Wall Thickness(Smin) D≤559 +25%Smin 0 D>559 +27.5%Smin 0 Wall Thickness(S) D≤559 +12.5%S -10%S D>559 ±12.5%S Mechanical Properties: Steel Tensile Strength Lower yield strength or

Welded Steel Pipes for Low Pressure Liquid Delivery GB/T 3091 Spec: Material:Q195 Q215A/B Q235A/B Q295A/B Q345A/B equivalent to steel grade st33 Cr.B Cr.58 Cr.D DIN S185 SS330 SS400 etc Size Range:OD:3-420mm WT:0.5-50mm General Length:3-12m Tolerance: According to the following tables or customers’ request. Characteristic: Mechanical property Weight coefficient of galvanized coat Processing: Steel pipe shall be processed eith anyone of longitudinal-seam high-frequency

product name: GB/T 3091 Low Pressure Liquid Delivery Welded ERW SAWL SAWH Steel Tubes sizes: O.D : 5mm-420mm W.T : 0.5mm-50mm Length:3000mm-12000mm Steel material: Q195,Q215,Q215B,Q235A,Q235B,Q235,Q345,Q345B Zinc coating: 100-500g if galvanized Application: Carbon steel pipe use for construction ,building filed , low pressure liquid, water, gas, oil, line pipe Surface Treatment: Galvanized,Oiled,Black Painted (varnish coating),corrosion resistant coating, Anti corrosion

EN10217-6 Submerged arc welded non-alloy steel tubes EN10217-6 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Submerged arc welded non-alloy steel tubes with specified low temperature properties 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

EN10217-4 Welded Steel Tubes for Pressure Purposes EN10217-4 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 4: Electric welded non-alloy steel tubes with specified low temperature properties 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

EN10217-5 P235GH P265GH 16Mo3 Submerged Arc Welded Steel Tubes with Non-ally and Alloy Steel EN10217-5 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 5: Submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties 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 -

Welded Steel Tubes EN10217-1 P195TR1 P235TR1 P265TR1 for Pressure Purposes EN10217-1 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties Since 2nd century, the welding seam quality increased a lot with fast development of excellent quality steel coil production, welding technology and inspection technology improvement, more welding steel tube sizes are available, and gradually

EN 10208 Standard Steel Pipe for Construction The pipe follow the EN10208 standard are the seamless or welded steel pipe for the on land transport of combustible fluids primarily in gas supply systems but excluding pipeline applications in the petrolrum and nature gas industries. Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the

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

Electric-Resistance-Welded Low Carbon tube ERW steel pipe for Bending and Flaring SpecificationsStandard:Electric-Resistance-Welded Low Carbon tube ERW steel pipeMaterial:SAE1010, SAE1020, SAE1026 etc.Application: 1. Bending Tube2. Flaring Tube3. Boiler Pipe4. Automotive Industry5. Chemistry industry6. Electric industrySurface Treatment:1.Bared2.Black Painted (varnish coating)3.Galvanized4.Oiled5.PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating.Sizes: OD:5-500

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

Pressure Purposes EN10217-7 Stainless Steel Tubes With Automatic Arc Welding EN10217-7 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless Steel Tubes Manufacture: The tubes are manufactured from hot or cold rolled plates, sheet or strips in accordance with EN10028-1, longitudinally arc or laser welded by fusion accross the abutting edges Manufacturing process - Automatic arc welding - Laser welding Chemical Composition of austenitic

Welded Steel Tube ASTM A554 Welded Stainless Steel Mechanical Tubing ASTM A554 WELDED STAINLESS STEEL MECHANICAL TUBING As-welded or cold-reduced mechanical tubing. Welded Steel Tube Shapes: Round, Square, Rectangle, or special. Welded Steel Tube Dimension: OD ≤406.4mm WT ≥0.51mm Welded Steel Tube Grade: MT-301, MT-302, MT-304, MT-309S MT-310S, MT-316, MT-316L, MT-317 MT-321, MT-347, MT-430, MT-430i Welded Steel Tube Materials and Manufacture: The tubes are manufactured from

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

EN10305-2 Welded Steel Tubes with Precision Cold Drawn Steel Tubes for Mechanical / Automotive Application EN10305-2 Welded Precision Cold Drawn Steel Tubes Applications: for Auto industry/for Machinery use/Oil Cylinder Tube/Motorcyle Shock Absorber, inner cylinder/Telescopic Cylinders Quick Detail: Size Range: O.D.:6-350mm W.T.:1-35mm L:max12000mm Steel Grade: E195, E237, E275, E355, Description: ERW+ DOM The tubes are manufactured from electric welded pre-tubes by cold

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

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