ASTM A254-97 BHG1 7.9×0.7mm Copper Coated Steel Bundy Tube for Condenser and Hydraulic Systems
Price:
Negotiable
MOQ:
2Tons
Delivery Time:
10days
Brand:
Joyruns
Product Description
ASTM A254-97 BHG1 Copper Coated Steel Bundy Tube
This 7.9×0.7mm copper brazed double-wall steel tube is specifically designed for condenser applications and hydraulic system industries. Manufactured from steel strip copper-plated on both sides, it offers superior performance in demanding automotive, refrigeration, and industrial hydraulic applications.
Product Specifications
Dimensional Tolerances
| Outer Diameter (φ) | Wall Thickness (mm) | Wall Thickness Tolerance (mm) | Diameter Tolerance (mm) | Weight (g/m) | Pressure Resistance (MPa) | Length (m/ton) |
|---|---|---|---|---|---|---|
| 4.75 (3/16″) | 0.7 | ±0.05 | ±0.12 common / ±0.08 higher | 70 | 88 | 13889 |
| 6 | 0.7 | ±0.05 | ±0.12 common / ±0.08 higher | 91 | 70 | 10753 |
| 6.35 (1/4″) | 0.7 | ±0.05 | ±0.12 common / ±0.08 higher | 97 | 64 | 10101 |
| 8 (5/16″) | 0.7 | ±0.05 | ±0.12 common / ±0.08 higher | 125 | 51 | 7813 |
| 9.52 (3/8″) | 0.7 | ±0.10 | ±0.12 common / ±0.08 higher | 152 | 43 | 6494 |
| 10 | 0.7 | ±0.10 | ±0.12 common / ±0.08 higher | 160 | 41 | 6135 |
Mechanical Properties
- Yield Strength: ≥180 MPa
- Tensile Strength: ≥290 MPa
- Elongation: ≥25%
Quality Testing
- Flaring Test
- Bending Test
- Flattening Test
- Pressure Test
- Salt Mist Test
Surface Plating Specifications
| Mark | Type | Typical Appearance | Anti-corrosion Time |
|---|---|---|---|
| A | Copper Tube | Bright or light blue | 6-8 hours |
| B | White Zinc Tube | Rainbow and white | 24-36 hours |
Product Images
Related Videos
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