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BHG1 SPCC SPCD Single Wall Double Copper Coated Steel Tube Bundy Tube Single Wall Steel Tube

Place of Origin: Jiangsu, China
Brand Name: Hongbao
Certification: ISO
Model Number: BHG1
Minimum Order Quantity: 5MT
Price: Negotiable
Packaging Details: Seaworthy Coil Bundle Packing
Delivery Time: 15 working days
Payment Terms: T/T, L/C, Western Union, D/A, D/P
Supply Ability: 30000MT per year
Product Details
Material:: SPCC, SPCD-SD, SPCD, SPCE Thickness:: 0.45-1.5mm
Size:: 4*0.5, 4.2*0.5, 4.76*0.65 Shape:: Coil
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Product Description

Single Wall Double Wall Copper Coated Steel Tube Bundy Tube Single Wall Steel Tube

 

Description:

Bundy tube, sometimes called Bundy pipe, is type of double-walled low-carbon steel tube manufactured by rolling a copper-coated steel strip through 720°F and resistance brazing the overlapped seam in a process called Bundywelding. It may be zinc coated for corrosion protection. It is primarily used in automotive hydraulic brake lines in cars. We can supply any type and diameter of Bundy Tube your requirement calls for.

 

2. Steel Grade

BHG1, SPCC, SPCD, SPCEN, ST14, ST15, ST16, DC04, DC05, DC06

 

3. Heat Treatment

BK or NBK

 

4. Specification

OD mm 4 4.2 4.76 6 6.35 7.8 8 9.52
W T 0.5-1.0mm (0.5-0.7mm common WT)
Tolerance ±0.05mm
Length 180Kg/coil; 700-1000m/coil; per customer’s request

 

5. Production Process

Tube welding– Cold drawing (reduce diameter)– Annealing in Protected Atmosphere— Cleaning-- Leakage detection– Zinc/Copper Plating– Keep pressure (Airtightness) – Packing

 

6. Surface Treatment

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

 

7. Packing: In coil, in wooden box with seaworthy packing

 

8. Application

Fluid carrying system for automobiles

Fluid carrying system for refrigerators

Wire condenser for chillers, showcase

Vending machine, ice machine etc.

 

BHG1 SPCC SPCD Single Wall Double Copper Coated Steel Tube Bundy Tube Single Wall Steel Tube 0BHG1 SPCC SPCD Single Wall Double Copper Coated Steel Tube Bundy Tube Single Wall Steel Tube 1