Seamless Copper Alloy Heat Condenser Tube Astm B111 C44300 O61 CuZn28Sn1
Seamless Copper Alloy Heat Exchanger Tube Astm B111 C44300 O61 CuZn28Sn1
C44300 - has good corrosion resistance and is specially used for tubing of steam condensers cooled with fresh, salt or brackish water. Admiralty metal tubes are also used for heat exchangers in oil refineries, in which corrosion from sulfur compounds and contaminated water may be very severe, and for feed-water heaters and heat-exchanger equipment as well as other industrial processes.
ASTM B111/ B111M : Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
| UNS No. | C44300 – BSI No. CZ111 ISO Name CuZn28Sn1 |
| Chemical Comp. (%) | Cu 70 ~ 73 / Sn 0.9 ~ 1.2 / Pb 0.07 / Fe 0.06 max / Zn rem / As 0.02 ~ 0.06 |
| Properties * | Metric |
| Density | 8.53 g/cc |
| Tensile Strength, min. | 310 MPa |
| Yield Strength, min. | 105 MPa |
| CTE, linear | 20.2 10-6/°C @ 20.0 – 300 °C |
| Specific Heat Capacity | 0.09 cal/g-°C @ 20ºC |
| Thermal Conductivity | 109 W/m-K @ 20.0 °C |
| Melting Point | 899 ~ 938 °C |
Applications: Condenser, Evaporator and Heat Exchanger tubes, Distiller tubing.
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