Round Coil Single Wall Steel Tube with 0.45-1.5mm Thickness for Refrigerator Application and 72h Salt Spray Test
Price:
Negotiable
MOQ:
5 ton
Delivery Time:
15 working days
Brand:
Hongbao
Product Description
SPCD OD4.76 WT0.65 Round Coil Single Wall Steel Tube
Product Overview
Round Coil Single Wall Steel Tube is manufactured through a coiling and welding process, specifically designed for refrigerator applications. The tube transports refrigerant and other fluids, with its round shape and single wall construction ensuring efficient fluid flow and excellent heat transfer properties.
Key Features
- Smooth surface with average roughness Ra between 0.6µm and 1.9µm
- Inner cleanliness: 0.1948/m² maximum
- Compatible with various bending and cutting fabrication methods
- Zinc and copper plating available per customer request
- Hot galvanizing thickness can exceed 8µm
- Inner walls cleaned with industrial alcohol to ensure cleanliness
- Salt spray test for hot galvanizing tube exceeds 72 hours
- Packing: antirust paper for inner packing and cloth for outer packing
Steel Grades
BHG1, SPCC, SPCD, SPCEN, ST14, ST15, ST16, DC04, DC05, DC06
Heat Treatment
BK or NBK
Specifications
| OD (mm) | 4, 4.2, 4.76, 6, 6.35, 7.8, 8, 9.52 |
|---|---|
| Wall Thickness | 0.5-1.0mm (0.5-0.7mm common WT) |
| Tolerance | ±0.05mm |
| Length | 180Kg/coil; 700-1000m/coil; per customer's request |
Production Process
- Tube welding
- Cold drawing (reduce diameter)
- Annealing in Protected Atmosphere
- Cleaning
- Leakage detection
- Zinc/Copper Plating
- Keep pressure (Airtightness)
- Packing
Surface Treatment Options
| Coating | Thickness | Salt Spray Test Duration |
|---|---|---|
| Copper/White Zinc/Colour-Zinc | 8μm | 72h |
| PVF | 8μm+20μm | 1000-2000h |
| Military Green Zinc | 8μm | 180h |
| GALFAN | 8μm+20μm | 1000-2000h |
| Nylon | 8μm+40μm | 180h |
Packing
In coil, in wooden box with seaworthy packing
Applications
- Fluid carrying system for automobiles
- Fluid carrying system for refrigerators
- Wire condenser for chillers, showcase
- Vending machine, ice machine etc.
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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
Jiangsu Hongbao Group Co., Ltd.
Location
DAXIN TOWN,ZHANGJIAGANG,JIANGSU P.R.CHINA
Contact Person
Angela