Cold Drawn Cold Rolled Precision Steel Pipe
Precise custom outer diameter and inner diameter
Tight tolerances, resulting in reduced machine time / Dimensional accuracy
Smooth and Clean OD and ID surfaces
Excellent machining characteristics
Wider range of physical properties attainable through process and annealing options
Product Description
Seamless Steel Tube
Precise custom outer diameter and inner diameter
Tight tolerances, resulting in reduced machine time / Dimensional accuracy
Smooth and Clean OD and ID surfaces
Excellent machining characteristics
Wider range of physical properties attainable through process and annealing options
Product Description /Specifications
Production Range | Outer Diameter:10-120mm (0.4 inch - 4.7 inch) |
Wall Thickness:1-20mm (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 |
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 |
Production process of seamless steel pipe
Row Material storage/inspection and cutting by saw machine
Hot Perforaction
![Hot Perforaction Hot Perforaction](https://d4zkgf367dxyj.cloudfront.net/cdn/ff/TPWrza51YuFXzGIkIY5ET6vCv7l33C_BDOJgZD69mIw/1685692752/public/ueditor/10/upload/image/20230602/1685692752778292.jpg)
Squeeze head and raw tube inspection
![Squeeze head and raw tube inspection Squeeze head and raw tube inspection](https://d4zkgf367dxyj.cloudfront.net/cdn/ff/gnG2VDktGwwkujm3F-qBRokVadjcxrW7Pg9c7cYKGDM/1685693753/public/ueditor/10/upload/image/20230602/1685693753921344.jpg)
Cycling pickling
![Cycling pickling Cycling pickling](https://d4zkgf367dxyj.cloudfront.net/cdn/ff/DIoXPLi2iFmeqPMicBQs9qk6HK2InnoHagD3EsnlzQw/1685693803/public/ueditor/10/upload/image/20230602/1685693803501588.jpg)
Cycling cold drawing/roling
![Cycling cold drawing/roling Cycling cold drawing/roling](https://d4zkgf367dxyj.cloudfront.net/cdn/ff/kcXdnjWjW6BgXIgrGJITefA1PRli19ChXRgMSgHYO4A/1685693865/public/ueditor/10/upload/image/20230602/1685693865528676.jpg)
Cycling annealing
![Cycling annealing Cycling annealing](https://d4zkgf367dxyj.cloudfront.net/cdn/ff/obdF0i5pybf4SYefFFVhpbNpl-j_8ctsuHe7-P8JJak/1685693912/public/ueditor/10/upload/image/20230602/1685693912851610.jpg)
Straightening
![Straightening Straightening](https://d4zkgf367dxyj.cloudfront.net/cdn/ff/m98zN4qN7A-BGmblob31XQ1_7FG1Q0OIrxeIfaT2bOg/1685694002/public/ueditor/10/upload/image/20230602/1685694002304319.jpg)
Eddy current inspection
Products inspection and test
We have our own workshop, we can supply one stop service:
1. Blasting machine.
2. Fiber machine cutting machine.
3. Bending machine.
4. Drill holes machine.
5. Fully automatic paint room.
6. Welded machine.
We passed certificate ISO9001, ISO14000, OHSAS18001. As a member of China iron and steel association, we established long term friendly cooperation with famous domestic mill plants,such as Bao steel, Wu steel, An steel, Tai steel etc. As well as active pursues partnerships foreign company, in order to meet customer requirement. With concept of "Keep Improving, Win-win Cooperation', and executed by reliable quality and after sales service system, Qigang gained good reputation from customers at home and abroad. We sincerely welcome you to come our company to negotiate business.