Home / Product > Steel Pipes > Structural pipes >

Cold Drawn Precision Seamless Steel Pipe

Product Name: Cold Drawn Precision Seamless Steel Pipe Size Range: OD: 8-323 8mm, WT: 2-15mm, Length: 51-12m Delivery Condition: BK, BKW, BKS, GBK, NBK NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth,

Send Inquiry

Product Introduction

Product Name: Cold Drawn Precision Seamless Steel Pipe

Pipe size Range: OD: 8-323.8mm, WT: 2-15mm, Length: 51-12m

Delivery Condition: BK, BKW, BKS, GBK, NBK

NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth, without oxide scale

Good Extending and Bending Ability.

Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc.

Quality Control:

1. 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:BKS, GBK, NBK

6. Straightening/Cutting to specified length/Finished Measuring Inspection

7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.

8. Packing and Stocking.

100% Eddy Current Testing.

100% Size Tolerance Checking.

100% Tube surface checking to avoid surface defects.

Precision Seamless Steel Pipe Production Range	Outer Diameter:8-120mm (0.4 inch - 4.7 inch)
Precision Seamless Steel Pipe Production Range	Wall Thickness:2-20mm (0.04 inch - 0.78 inch)
Material / Grade	Carbon Steel: GB/T 8162 & 8163 & 3639: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105 ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53 JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13C JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C
Material / Grade	Alloy Steel: GB/T 8162 & 8163 & 3639: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND) ASTM A519: 5120, 5140, 4130, 4135, 4140 DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5 JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4 JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420
Tolerance	Tolerance ±0.15mm,Superior products ±0.05mm, Can be customized according to customer's requirements
Technique	Cold Drawn / Cold Rolled
Shape	Round
Further Processing for Steel Tubes	Final Annealing, Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting, Laser Marking

Previous: Welded Structural Pipes S355JR/S355j0h/S355j2h

Next: ASTM A519 Gr.4130 and Gr.4140 seamless mechanical tubing 2" to 12"