Product Description：
Precision bright tube is a high-precision steel pipe material processed through precision rolling or cold drawing. Due to its advantages such as no oxide layer on the inner and outer walls, no leakage under high pressure, high precision, high smoothness, no deformation in cold bending, no cracks in expanding or flattening, it is mainly used to produce pneumatic or hydraulic components, such as cylinders or oil cylinders, which can be seamless or welded tubes. The chemical composition of precision bright tube includes carbon (C), silicon (Si), manganese (Mn), sulfur (S), phosphorus (P), and chromium (Cr). It is used in precision seamless tubes for automobiles, motorcycles, construction machinery, jacks, power tools, sports equipment, and other fields.
Product Process：
Round steel peeling → cold rolling/cold drawing → hydrogen-protected bright annealing → finishing through precision rolling, straightening, and degreasing.
Implement the national standard GB/T3639-2019 for precision seamless steel tubes
| Product List |
| Product Name: | 10# Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 20# Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 45# Precision Bright Tube | Seamless Steel Tube |
| Product Name: | Q235 Precision Bright Tube | Seamless Steel Tube |
| Product Name: | Q345 Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 16Mn Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 40Cr Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 27SiMn Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 12Cr1MoV Precision Bright Tube | Seamless Steel Tube |
| Product Name: | 15CrMo Precision Bright Tube | Seamless Steel Tube |
| Parameter range |
| Outer diameter | Φ6mm - Φ219mm |
| Wall thickness | 0.5mm – 20mm |
| Standard length | 1 – 12m |
| Outer diameter accuracy | Maximum ±0.03mm |
| Non-standard customization | Support for customization of non-standard sizes |
Optional tolerance range |
| Tolerance control | Optional manufacturing process |
| Within 5 mils | Cold rolling |
| Within 10 threads | Cold rolling |
| Within 30 threads | Cold drawing | Cold rolling |
| Within 50 threads | Cold drawing | Hot rolling |
| Within 100 threads | Hot rolling | Hot expanding |
Optional delivery status
|
| Oil removal from oil pipes | Annealing and straightening | Steel pipe corrosion prevention |
| Steel pipe threading | Length cut-to-length | Steel pipe coating |
| Steel pipe cap | Exquisite bundling | Beveling |
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