C44300 is a copper-based alloy specifically engineered for high-performance heat exchanger applications. Known for its excellent resistance to corrosion — especially in environments involving seawater or industrial fluids — this alloy is often custom-manufactured to meet specific engineering demands.
Widely used in the oil and gas industry, C44300 offers both mechanical reliability and superior anti-corrosive properties, making it a trusted material for systems requiring long-term stability under thermal and chemical stress.
In this blog, we’ll explore the key characteristics and typical uses of C44300 copper alloy tubes.
Common Applications of C44300 Copper Alloy Tubes
Evaporator tubing
Heat exchanger tubing
Condenser tube plates
Distiller tubes
Oil well pump liners
Ferrules
Bourdon tubes
Condenser tubes
Equivalent Specifications of C44300 Copper Alloy Tubes
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SPECIFICATIONS
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DESIGNATION
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|
ISO
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CuZn28Sn1
|
|
Europen
|
CuZn28Sn1As
|
|
BS
|
CZ 111
|
|
JIS
|
C 4430
|
|
Russian
|
L62-1
|
|
CATEGORY
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ASTM
|
BS
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EN
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JIS
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DIN
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ISO
|
IS
|
|
Admiralty Brass
|
C44300
|
CZ111
|
CW706R
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H3100(92) C4430 P/R
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2.047
|
CuZn28Sn1
|
IS 1545 Cuzn29Sn1As
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Chemical Composition of C44300 Copper Alloy Tubes
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|
As
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Cu
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Fe
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Pb
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Sn
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Zn
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Min/Max
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0.02 - 0.06
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70.0 - 73.0
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0.06
|
0.07
|
0.8 - 1.2
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Rem
|
|
Nominals
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0.0400
|
71.0000
|
-
|
-
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1.0000
|
28.0000
|
Physical Properties of C44300 Copper Alloy Tubes
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Coefficient of Thermal Expansion
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11.2 10−6Per °F (68-572 F)
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|
Density
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0.308 lb/in3 @ 68 F
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|
Electrical Conductivity
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25 %IACS @ 68 F
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|
Electrical Resistivity
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41.5 ohms-cmil/ft @ 68 F
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|
Melting Point Liquid US
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1720 F
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Melting Point Solid US
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1650 F
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|
Modulas of Elasticity in Tension
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16000 ksi
|
|
Modulas of Rigidity
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6000 ksi
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Specific Gravity
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8.53
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Specific Heat Capacity
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0.09 Btu/lb/°F @ 68 F
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|
Thermal Conductivity
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64.0 BTU in/hr.ft2.°F @ 68°F
|
Other Forms Sizes Available of C44300 Copper Alloy Tubes
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HOLLOW RODS
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Min Bore Size 20 mm and Max OD 100 mm
|
|
ROUND RODS/RODS
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6mm To 130 mm
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|
HEX
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5mm To 60mm
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|
SQUARE
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4mm To 60mm
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FLAT
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5mm Min Thickness and max Width 120mm
|
|
PROFILES / SECTIONS
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AS per Customer Drawing
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BILLETS
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Up to 200 mm
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|
INGOTS
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AS per Specification
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