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Product Name: ASTM A519 Cold Rolled Carbon Seamless Mechanical Tubing for Structural Purpose Material:1010, 1020, 4130 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: CW, SR, A, N Application: For mechanical application Quality Control: 1. Incoming Raw Material Inspection 2. Raw Material Segregation to avoid steel grade mix-up 3. Heating and Hammering End for Cold Drawing 4. Cold Drawing or Cold Rolling, On line inspection 5. Heat

Standard: SA192 Seamless Cold Rolled Steel Tube for High Pressure Boiler Application with Clean surface Application: For seamless carbon steel boiler and superheated tubes for high-pressure service Size(mm): O. D.: 6.0~114.0 W. T.: 1~15 L: Max 12000 Packing: 1. Standard export bundle wrapped with strong steel strip 2. Wooden case 3. Nylon packed Payment: T/T Delivery: With 45 days of order confirmation Your special requirement is highly welcomed and will be fulfilled. We

1. Product Name: Round Shape Heat Exchanger Low Carbon Seamless Cold Rolled Steel Tube SA179 2. Size Range: OD: 3.2-76.2mm, WT: 1-10mm, Length: 5.8m/6m, maximal 11.8m 3. Stable Quality with Comeptitive Price 4. High Preformance and Longer Working Life Quality Control: 1. Incoming Raw Material Inspection 2. Raw Material Segregation to avoid steel grade mix-up 3. Heating and Hammering End for Cold Drawing 4. Cold Drawing or Cold Rolling, On line inspection 5. Heat Treatment 6.

Product Name: High Precision Seamless Cold Rolled Steel Tube with Black Phosphating Material: E235, E255, E355 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Delivery Condition: +C, +LC, +SR, +A, +N Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc. Stable Quality with Comeptitive Price. Good Extending and Bending Ability. Black Phosphating surface treatment. Quality

1. Product Name: DIN1629 Seamless Structural Cold Rolled Steel Pipe of Non Alloy Steel 2. Size Range: OD: 6-154mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m 3. Stable Quality with Comeptitive Price 4. High Performance and Longer Working Life Steel Pipe 100% Eddy Current Testing. 100% Size Tolerance Checking. 100% Tube surface checking to avoid surface defects. Product Name DIN1629 Seamless Structural Cold Rolled Steel Pipe of Non Alloy Steel Material St37, St44, St52

Product Name: High Precision DIN2391 St35 BK Cold Rolled Steel Tube for Hydraulic CylinderMaterial: ST35, ST45, ST52Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8mDelivery Condition: 1. BK (+C) No heat treatment after last cold forming process.2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.4. GBK (+A) After the final cold forming

Product Name: 40Cr / 41Cr4 / 5140 Seamless Cold Rolled Steel Tube for Automotive Parts Material: 40Cr / 41Cr4 / 5140 Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m Cold Rolled process on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance Quality Control: 1. Incoming Raw Material Inspection 2. Raw Material Segregation to avoid steel grade mix-up 3. Heating and Hammering End for Cold Drawing 4. Cold Rolling, On line inspection 5.