Type:Brake Hose / Steel Tube
Material:Low Carbon Steel / BHG2
Position:Front / Chassis
Certification:ISO/TS16949, IATF-16949, DOT, SAE J1401
Thickness:0.70mm / 0.71mm
Outer Diameter:4.76mm to 12.7mm (3/16" to 1/2")
Surface Treatment:Copper, White/Yellow Zinc, PVF, PA12
Standard:ASTM A254, SAE J527, DIN 74234
High-quality single and double wall steel brake bundy fuel tubing, available in various sizes including 3/16", 1/4", 5/16", and 3/8". Designed for automotive fluid transfer systems with superior pressure resistance.
- Welded steel pipe / bundy tube / bundy pipe
- Wall thickness: 0.7±0.05mm
- Surface treatment options: White Zinc, Copper, Yellow Zinc, Olive Green, PVF
- Application: Single wall for refrigeration; Double wall for automobile brake systems
- High internal cleanliness and vibration resistance
| Imperial Size |
O.D (Inch) |
O.D (mm) |
Wall Thickness |
| 1/8 | 0.125'' | 3.17mm | 0.71mm |
| 3/16 | 0.187'' | 4.76mm | 0.71mm |
| 1/4 | 0.250'' | 6.35mm | 0.71mm |
| 5/16 | 0.312'' | 7.79mm | 0.71mm |
| 3/8 | 0.375'' | 9.52mm | 0.71mm |
| 1/2 | 0.500'' | 12.7mm | 0.71mm |
Surface Treatment Features
PVF Coating: Trivalent chrome passivated processing, chrome-free. Salt spray test exceeds 1000 hours without red rust.
PA12 Coating: Highly corrosive resistance, good anti-impact force, and meets environmental requirements.
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Related Products & Fittings
- Brake hose and assembly
- PTFE S.S braided brake lines
- Air brake hose assembly
- Female & male fittings, banjo bolts, and nuts
- Related metal and rubber accessories
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Certifications & Packaging
Products comply with international standards including ISO9001:2015, DOT SAE J1401, and FMVSS106.
Packaging Details: Tubing is packed in rolls, then into cartons or pallets. Safety packaging ensures products arrive in perfect condition.
Our steel pipe tubes are widely used in various automotive systems:
- Power Steering Systems
- Brake Systems
- Clutch Systems
- Fuel Systems
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Manufacturing Excellence
Established in 1998, the factory specializes in SAE J1401 standard OEM brake hoses, custom hydraulic brake hoses, and stainless steel braided PTFE lines. With a facility covering 20,000 square meters and over 300 staff members, we utilize advanced production lines and R&D labs to ensure product perfection.
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Frequently Asked Questions
Q1: What are the main applications for this steel tubing?
A1: It is primarily used for automotive brake systems, fuel lines, power steering systems, and refrigeration industries.
Q2: What standards do your brake tubes meet?
A2: Our tubes meet SAE J527, ASTM A254, TSE 5130, and DIN 74234 standards.
Q3: How long can the PVF coating resist corrosion?
A3: The PVF coating can pass a salt spray test for more than 1000 hours without red rust.
Q4: What is the difference between single wall and double wall tubing?
A4: Single wall tubing is typically used for refrigeration, while double wall brazed tubing is used for high-pressure automotive brake systems.
Q5: Are custom lengths and sizes available?
A5: Yes, we can cut to any length as per your requirements and offer various diameters from 4.76mm to 12.7mm.
Q6: What certifications does the manufacturer hold?
A6: The facility is ISO9001:2015 certified and products hold DOT and SAE J1401 certifications.
Partix Auto
