Jiangsu Hongbao Group Co., Ltd.
                                                                                                           
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68 Years
Since 1958
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Round Coil Single Wall Steel Tube with 0.45-1.5mm Thickness for Refrigerator Application and 72h Salt Spray Test

Price Negotiable
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
  1. Tube welding
  2. Cold drawing (reduce diameter)
  3. Annealing in Protected Atmosphere
  4. Cleaning
  5. Leakage detection
  6. Zinc/Copper Plating
  7. Keep pressure (Airtightness)
  8. 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.
Round coil single wall steel tube product photo showing coiled tubing Close-up view of welded steel tube surface and construction

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

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