SPCC Seamless 4mm Steel Pipe ASTM A254-97 Brazing Tube 4.76×0.65mm with 34.3 MPa Pressure Rating
Price:
Negotiable
MOQ:
2Tons
Delivery Time:
10days
Brand:
Joyruns
Product Description
Product Overview
SPCC seamless 4mm steel pipe manufactured as ASTM A254-97 brazing steel tube with dimensions 4.76×0.65mm. This double wall copper brazed steel tubing is made from low carbon steel strip and designed for demanding automotive and industrial applications.
Key Features & Benefits
- High withstanding pressure capability up to 34.3 MPa
- Superior vibration fatigue strength for automotive applications
- Excellent solderability, bendability, and workability
- Full traceability for quality assurance
- Manufactured from electrolytic copper-coated steel strip
- Double-layered wall construction for enhanced durability
Technical Specifications
Standard Dimensions & Pressure Ratings
| Nominal Diameter | Outer Diameter (mm) | Wall Thickness (mm) | Guarantee Pressure (MPa) | Burst Pressure (MPa) |
|---|---|---|---|---|
| 4 | 4 ±0.08 | 0.7 ±0.08 | 34.3 | 108 |
| 4.76 | 4.76 ±0.08 | 0.7 ±0.08 | 34.3 | 108 |
| 6.35 | 6.35 ±0.08 | 0.7 ±0.08 | 34.3 | 83.3 |
| 8 | 8 ±0.1 | 0.7 ±0.1 | 24.5 | 66.2 |
| 10 | 10 ±0.1 | 0.7 ±0.1 | 24.5 | 53.9 |
Quality Test Results
| Test Item | Technical Standard | Test Result |
|---|---|---|
| Mechanical Property | Tensile Strength 290Mpa Yield Strength 180Mpa Elongation 20% |
296Mpa 185Mpa 30% |
| Wall Thickness | 0.70±0.1mm | 0.71mm |
| Flaring Test | Flaring 25% | 30% |
| Bending Test | Bend 180°C in a Radius Three Times of the Pipe Diameter | No Crack or Peeling After Flaring |
| Flattening Test | No Crack After Flattening | No Crack |
| Pressure Test | No Leakage when Charged with 34.3Mpa Nitrogen Gas for 1min | No Leakage |
| Thickness per Surface Treatment of Galvanize | 9μm | 9μm |
| Thickness per Inner Treatment of Copper-Plating | 3μ | 3μ |
Applications
- Automotive hydraulic brake systems (brake line tube)
- ACR (Air Conditioning and Refrigeration) systems
- Power steering systems on vehicles
- Various industrial fluid transfer systems
Production Line
Packaging
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee