Copper Coated Single Wall Welded Bundy 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

BK or NBK

4. Specification

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

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.

ASTM B111
Standard Specification for Copper and Copper -Alloy Seamless Condenser Tubes and Ferrule Stock
GB/T8890
Seamless copper alloy tube for condenser and heat exchanger
BS2871
Standard Specification for copper and copper alloys tubes
JIS H3300
Standard Specification for copper and copper alloy seamless pipes and tubes
DIN1785
Wrought copper and copper alloy tubes for condensers and heat exchangers
GB/T19447
Copper and copper-alloys seamless tubes with integral fins for heat exchanger
ASTM B359
Standard Specification for copper and copper alloy seamless condenser and heat exchanger tubes with integral fins
ASME SB 359
Standard Specification for copper and copper alloy seamless condenser and heat exchanger tubes with integral fins
EN12451
Standard Specification for copper and copper alloys-seamless,round tubes for heat exchangers