Welded Steel Tube

GB/T 19793 small diameter Thick-wall welded pipe/tube Q235 Q195 SPCC SPHC Typical fields of application are in: Automobile and motorcycle Shock Absorber Pipe Hydraulic-cylinder Pipe Mechanical steel pipes for auto and motor parts Gas Spring pipe motor casing pipe etc size:length--2~12m WT--2~4.5mm OD--16~50mm material:Q235 Q195 SPCC SPHC Production process: ordinary high-frequency welded pipe Advantages: small diameter and thick wall Surface Quality:The internal and external

GB/T13793 Cutting Chamfer Automotive Tube Q235 Q345 SPCC SPHC Welded Steel Tube Application:Dashboard, Seat, Anti-collision Beam, Cylinder Shock Absorber, Door (Thermoform Tube) size:L--2~12m OD--10~76mm WT--0.5~4mmmm Manufacture method:The steel pipe shall be made of hot rolled steel strip or cold rolled steel strip by high frequency resistance welding method Delivery State:Steel tube should be welding or heat treatment state delivery Grade:Q235 Q345 SPCC SPHC HC340/590DP

GB/T 28413 SA178 Welded Carbon Steel Pipes For Boiler and heat exchangers Chinese Technical Standard GB/T 28413 Welded Carbon Steel Pipes For Boiler and Heat Exchangers Steel Grade/Steel Material/Steel Number: 10# 20# Q245R Q345R Q370R Size Range: OD: 6-127mm Min WT:0.9-9.1mm Length:4-12m,as customer’s requirement Mechanical Properties: Grade Lower yield strength Rel/N/mm² No less than Tensile strength R. /N/mm² No less than Extensibility after fracture A/% No less than T≤16

GB/T 12771 Diameter 4-1200mm Welded 304/304L 316/316L Stainless Steel Pipes for Liquid Transpotation Product Name: Welded Stainless Steel Pipes for Liquid Service GB/T 12771 SPEC: Material:304/304L 316/316L Diameter : 4-1200mm Wall thickness : 0.3-200mm Length : 2-12m Upon customer's request Tolerance: According to the following tables or customers’ request. Table 1 Tolerance of OD Classification D Permissible Tolerance A B H All Dimensions ±0.5% or ±0.20 ±0.75% or ±0.30 T

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: Weight coefficient of galvanized coat Processing: Steel pipe shall be processed eith anyone of longitudinal-seam high-frequency electrical resistance

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser Table1 The type, state and code of the steel tube surface Type State Code Bright Surface No coating on the inner and outer surface of steel pipe SL Copper plated surface Copper plating on the outer surface of steel tube Cu Galvanized surface Galvanized or zinc alloy on the outer surface of steel pipe Zn Double-sided copper plating surface The inner and outer surfaces of the steel pipe are plated with

GB/T 14291 Welded Q235A/Q235B Steel Tubes for Mine Liquid Service Application:Mine wind, drainage, drainage gas pressure and the pulp conveying with straight seam welded steel pipe Size:L--4~12m OD--21.3-660mm WT--2.5-14mm Grade:Q235A,Q235B,Q295A,Q295B,Q345A,Q345B Manufacture method:High-frequency resistance welding Delivery state:Steel pipe should be straight seam tube flat end light delivery.The supply and demand both sides talks things over, can also according to the weld

TORICH GB/T24187 BHG1 Precision Single Welded Steel Tubes In Condenser Spec: Material:C Si Mn P S Size Range:OD:3.18-18mm WT:0.5-1.2mm General Length:1-200m Tolerance: According to the following tables or customers’ request. Table 1 Outer diameter, wall thickness and theoretical weight OD/mm WT/mm 0.30 0.40 0.50 0.60 0.65 0.70 0.80 0.90 1.00 1.30 theoretical weight /(kg/m) 3.18 0.0213 0.0274 0.0330 4.00 0.0274 0.0355 0.0432 0.0503 4.76 0.0330 0.0430 0.0525 0.0616 0.0659 0

TORICH GB/T3091 Q195 Welded Steel Pipes For Low Pressure Liquid Delivery sizes: O.D : 5mm-420mm W.T : 0.5mm-50mm Length:3000mm-12000mm Steel material: Q195,Q215,Q215B,Q235A,Q235B,Q235,Q345,Q345B 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 coating Technique: Electronic Resistance Welded (ERW )

GB/T 14291 TORICH Welded steel tubes for mine liquid service GB/T 14291 TORICH Welded steel tubes for mine liquid service Size Range: OD:4-1200mm WT:0.3-200mm Length: 4000mm-12000mm Characteristic: Good OD and ID tolerance controlled to Technical Standard Stable quality TABLE 2 Allowable deviation of outer diameter and wall thickness Unit: millimeter Nominal outside diameter D Allowable deviation of outer diameter Permissible deviation of wall thickness D≤48.3 ±0.50 ±10%S 48

GB/T 14291 TORICH Welded steel tubes for mine liquid service GB/T 14291 TORICH Welded steel tubes for mine liquid service Size Range: OD:4-1200mm WT:0.3-200mm Length: 4000mm-12000mm Characteristic: Good OD and ID tolerance controlled to Technical Standard Stable quality TABLE 2 Allowable deviation of outer diameter and wall thickness Unit: millimeter Nominal outside diameter D Allowable deviation of outer diameter Permissible deviation of wall thickness D≤48.3 ±0.50 ±10%S 48

GB24187 Cold rolled low carbon steel Cold-drawn precision single welded steel tubes Product Name:GB24187 Cold rolled low carbon steel Cold-drawn precision single welded steel tubes Standard: GB24187 OD: 3-420mm WT: 0.5-50mm Length: 1-12m or according to customers' actual application and production. Application:Machinery Steel Grade:10#.20# Technology:cold drawn ,cold rolled Characteristic: Good concentricity Good surface quality Good OD and ID tolerance High Precision Stable

Welded Steel Tubes for Mine Liquid Service GB/T 14291 Q235A Q235B Spec: Material:Q235A Q235B Q345A Q345B Size Range:OD:4-1200mm WT:0.3-200mm General Length:4-12m Tolerance: According to the following tables or customers’ request. Table 3 Outer Diameter,Wall Thicknes,Theoretical Weight and Test Pressure Norminal Outer Diameter(D)/mm Norminal Wall Thickness(S)/mm Theoretical Weight/(kg/m) Test Pressure/MPa Q235A,Q235B Q295A,Q295B Q345A,Q345B 21.3 2.5 1.16 15 15 15 21.3 3 1.35

Welded Steel Tubes for Mine Liquid Service GB/T 14291 Q235A Q235B Spec: Material:Q235A Q235B Q345A Q345B Size Range:OD:4-1200mm WT:0.3-200mm General Length:4-12m Tolerance: According to the following tables or customers’ request. TABLE 1 Mechanical Property Grade Tensile strength N/m Lower yield strength / N/m Elongation A% Not less than D≤168.3 D＞168.3 Q235A,Q235B 375 235 15 20 Q295A,Q295B 390 295 13 18 Q345A,Q345B 470 345 13 18 Note : Tensile test arbitration time is based

Steel Pipes with a longitudinal (resistance) Weld GB/T 13793 Spec:Material:08# 10# Q195 Q215 Q235 Q345Size Range:OD:4-1200mm WT:0.3-200mm General Length:4-12mTolerance:According to the following tables or customers’ request. Table 1 Tolerance of Outer Diameter Unit:mmOuter Diameter(D)General Precesion(PD.A)aHigher Precision(PD.B)High Precision(PD.C)5-20±0.30±0.15±0.05﹥20-35±0.40±0.20±0.10＞35-50±0.50±0.25±0.15＞50-80±1%D±0.35±0.25＞80-114.3±0.60±0.40＞114.3-168.3±0.70±0.50＞168.3

Product Name:TORICH GB/T18704 Q195 Q235 12Cr18Ni9 Stainless Steel Clad Pipes for Structural PurposesStandard: GB/T18704OD: 12.7 - 325 mm WT: 0.8 - 12 mm Length: 1-8m or according to customers' actual application and production.Application:public facilities. Vehicle and ship manufacturing. Road guardrail. Furniture. Medical apparatus and instrumentsSteel Grade:Q195 Q235 06Cr19Ni10 12Cr18Ni9 12Cr18Mn9Ni5N 12Cr17Mn6Ni5NTechnology: Continuous welding molding Tolerance of

Product Name:TORICH GB/T14291 Q235A Q295B Q345A Welded Steel Pipes for ore pulp transportation Standard: GB/T14291 OD: 5-600mm WT: 0.5-50mm Length: 1-12mm or according to customers' actual application and production. Application:for ore pulp transportation Steel Grade:Q235A Q235B Q295A Q345B Q295B Q345A Technology:High frequency straight seam welding(HFW) Characteristic: Good concentricity Good surface quality Good OD and ID tolerance High Precision Stable quality Smooth

GB/T3091TORICH Q195 Q235B ERW /SSAW /LSAW Welded Steel Pipes For Low Pressure Liquid Delivery Harnessing the modern technology and latest machines, we have cemented our status as a prime figure in the industry. As a Manufacturer, Exporter and Supplier of Mechanical Welded Seamless Steel Tubes, we offer sturdiness, durability and dependability thanks to the fact that we strictly use first-rate materials sourced from trusted vendors. Mechanical Welded Seamless Steel Tubes are

Product Name:TORICH GB/T13793 Material 10#15#20# Q195 215A 235A Steel Pipes with a longitudinal Electric Resistance Weld Standard:GB/T13793 Size Range: OD: 5-711mm WT: 0.5-50mm Length: 4-12mm or according to customers' actual application and production. Application:Construction Structure,Liquid Transportation Steel Grade:10# 15# 20# Q195/Q235/Q345/Q390/Q420 Technology:HFRW Characteristic: Good concentricity Good surface quality Good OD and ID tolerance High Precision Stable

Welded Stainless Steel Pipes for Liquid Service GB/T 12771 SPEC: Material:304/304L 316/316L Diameter : 4-1200mm Wall thickness : 0.3-200mm Length : 2-12m Upon customer's request Tolerance: According to the following tables or customers’ request. Table 1 Tolerance of OD Classification D Permissible Tolerance A B H All Dimensions ±0.5% or ±0.20 ±0.75% or ±0.30 T ＜40 ±0.20 ±0.30 ≥40~＜65 ±0.30 ±0.40 ≥65~＜90 ±0.40 ±0.50 ≥90~＜168.3 ±0.80 ±1.00 ≥168.3~＜325 ±0.75%D ±1%D ≥325~＜610 ±0