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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

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