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Copper Coating Bundy 4.76*0.7 Welded Steel Tube

Dear Richard, thks for your continous support to our company, we have faith in your company's product and services

—— Cassy

you always commit and manage to meet our very tight tolerence requirement,furthermore Torich International never fail our delivery.

—— Cassy

This is what we are looking for, a reliable and responsible supplier.

—— Cassy

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Copper Coating Bundy 4.76*0.7 Welded Steel Tube

China Copper Coating Bundy 4.76*0.7 Welded Steel Tube supplier

Large Image :  Copper Coating Bundy 4.76*0.7 Welded Steel Tube

Product Details:

Place of Origin: Zhejiang,China
Brand Name: TORICH
Certification: ISO9001,ISO14001
Model Number: ASTM A254

Payment & Shipping Terms:

Minimum Order Quantity: 10 TONS
Packaging Details: 4.76*0.7 Welded Steel Tube,packed in bundles
Delivery Time: 10-15 days
Payment Terms: T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability: 5000 ton per year
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Detailed Product Description
Product Name: 4.76*0.7 Welded Steel Tube Keyword: Bundy Tube
Material: ASTM A254 BHG1 Usage: Refrigeration
Shape: Round Technique: ERW
Surface: Copper Coating Length: Max12000mm
OD: 0.28-10mm WT: 0.08-1mm
High Light:

Bundy Welded Steel Tube


4.76*0.7 Welded Steel Tube

4.76*0.7 Welded Steel Tube

1. Standard

ASTM A254 Copper-brazed steel tubing

SAE J526 Welded low-carbon tubing

EN10305-6 Welded cold drawn tubes from hydraulic and pneumatic power systems


2. Steel Grade

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


3. Heat Treatment



4. Specification

O D/ 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
GALF 8μm+20μm 1000-2000h
Nylon 8μm+40μm 180h


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


8. Application

1) Fluid carrying system for automobiles

2) Fluid carrying system for refrigerators

3) Wire condenser for chillers, showcase

4) Vending machine, ice machine etc.


Contact Details

Contact Person: Lucy Luo

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