Arsenical Admiralty Copper, UNS C44300, H04 Temper tubing

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Arsenical Admiralty Copper, UNS C44300, H04 Temper tubing
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Good to excellent corrosion resistance. Excellent cold workability for forming and bending. Applications: condenser, evaporator and heat exchanger tubing, condenser tubing plates, distiller tubing, ferrules. Test specimen: tubing - 25mm OD x 1.65mm wall thickness.
Key Words:	Inhibited Admiralty Metal, Admiralty Brass, CDA 443, CZ111, ISO CuZn28Sn1As
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Physical Properties	Original Value	Comments

Density	8.53 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell 30T	84
Tensile Strength, Ultimate	669 MPa
Elongation at Break	4.0 %	In 50 mm
Modulus of Elasticity	110 GPa
Poissons Ratio	0.38	calculated
Fatigue Strength	115 - 125 MPa @# of Cycles 1.00e+7	source does not state temper
Machinability	30 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	40.0 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000690 ohm-cm @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	20.2 µm/m-°C @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.380 J/g-°C
Thermal Conductivity	110 W/m-K @Temperature 20.0 °C
Melting Point	900 - 935 °C
Solidus	900 °C
Liquidus	935 °C
Annealing Point	800 - 1100 °F

Processing Properties	Original Value	Comments
Annealing Temperature	425 - 600 °C
Hot-Working Temperature	650 - 800 °C
Recrystallization Temperature	300 °C	For 1 mm strip cold rolled hard(50% reduction), from 0.015 mm grain size

Component Elements Properties	Original Value	Comments
Arsenic, As	0.020 - 0.10 %
Copper, Cu	70 - 73 %
Iron, Fe	<= 0.060 %
Lead, Pb	<= 0.070 %
Tin, Sn	0.90 - 1.2 %
Zinc, Zn	28 %

References for this datasheet.

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MC44300b7 / 11379

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