Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM B111 C44300 Copper Alloy Seamless Tube For Heat Exchanger
The specification B111 covers seamless tube and ferrule stock of copper and various copper alloys up to 79 mm, inclusive, in diameter, for use in surface condensers, evaporators, and heat exchangers.
Admirality brass is an alloy that is zinc and copper-based and is having arsenic and zinc in a small amount. These tubes are renowned for the excellent features of high resistance to corrosion at the polluted river water and in clean seawater and also at slow moving and stagnant water. Admirality brass tubes are used widely in many critical applications because of durability, flexibility, heat resistivity, longevity etc.
ASTM B111 Brass Tubes are ideal for heat exchanger. Normally made in order to meet engineering requirements, you will find this alloy often used in oil and gas applications that also require its non corrosive properties.
Chemical Composition of C44300
| / | As | Cu | Fe | Pb | Sn | Zn |
| Min/Max | 0.02 – 0.06 | 70.0 – 73.0 | 0.06 | 0.07 | 0.8 – 1.2 | Rem |
| Nominals | 0.0400 | 71.0000 | – | – | 1.0000 | 28.0000 |
Mechanical Properties
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus
| 23.0 °C | Typical for Wrought Copper Brass | |
| Shear modulus
| 23.0 °C | Typical for Wrought Copper Brass | |
| Tensile strength
| 23.0 °C | ||
| Yield strength Rp0.5 | 23.0 °C |
Packing:
Physical Properties
| Coefficient Of Thermal Expansion | 11.2 10−6Per °F (68-572 F) |
| Density | 0.308 Lb/In3 @ 68 F |
| Electrical Conductivity | 25 %IACS @ 68 F |
| Electrical Resistivity | 41.5 Ohms-Cmil/Ft @ 68 F |
| Melting Point Liquid US | 1720 F |
| Melting Point Solid US | 1650 F |
| Modulas Of Elasticity In Tension | 16000 Ksi |
| Modulas Of Rigidity | 6000 Ksi |
| Specific Gravity | 8.53 |
| Specific Heat Capacity | 0.09 Btu/Lb/°F @ 68 F |
| Thermal Conductivity | 64.0 BTU In/Hr.Ft2.°F @ 68°F |
C44300 Equivalent
| STANDARD | UNS | WERKSTOFF NR. |
| Admiralty Brass | C44300 | 2.0470 / 1785 |
Applications
-Aluminum Brass Tube for condenser and heat-exchangers
-Water Evaporators
-Boiler Blowdown Heat Exchangers
-Air coolers
-Gland Steam Condensers
-Steam Ejector
-Turbine Oil Coolers
-Fuel Oil Heaters
-Compressed Air Inter and After Coolers
-Ferrules, Oil Well Pump Liner, and Distiller