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Ensinger PEI

Oxygen-free extra-low phosphorus Copper, UNS C10300, OS025 temper, flat products, tube
Categories: Metal; Nonferrous Metal; Copper Alloy; Wrought Copper
Material Notes: Test specimens: flat products - 1 mm thick; tube - 25 mm OD, 1.65 mm thick.

Applications: electrical conductors and terminals, tubular busbars, commutators, copper clad steel and clad products, waveguide tubing, thermostatic control tubing, and applications requiring good conductivity and welding or brazing properties.

Processing: Excellent hot and cold workability; good forgeability. Annealing temp.: 475-750°C (900-1400°F). Hot working temp.: 750-875°C (1400-1600°F). Fabricated by coining, coppersmithing, drawing and upsetting, hot forging and pressing, spinning, swaging, stamping.

Corrosion Resistance: Good to excellent

Weldability: excellent welding and brazing properties.

UNS C10300, CDA 103, ASTM (flat products) B133, B152, B187, B272, B432, (tubing) B68, B75, B88, B111, B188, B251, B280, B306, B359, B372, B395, B447
Key Words: OFXLP, ASTM B280, 306, 359, 372, 395, 432, 447, CDA 103, ASTM B68, 75, 88, 111, 133, 152, 187, 188, 251, 272
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Physical PropertiesMetricEnglishComments
Density 8.94 g/cc0.323 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell F 4545
Tensile Strength, Ultimate 235 MPa34100 psi
Tensile Strength, Yield 76.0 MPa11000 psi
Elongation at Break 45 %45 %in 50 mm (2 in.)
Modulus of Elasticity 115 GPa16700 ksi
Poissons Ratio 0.310.31
Fatigue Strength 76.0 MPa
@Thickness 1.00 mm		11000 psi
@Thickness 0.0394 in		strip
Machinability 20 %20 %UNS C36000 (free-cutting brass) = 100%
Forgeability 65 %65 %
Shear Modulus 44.0 GPa6380 ksi
Shear Strength 160 MPa23200 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00000174 ohm-cm
@Temperature 20.0 °C		0.00000174 ohm-cm
@Temperature 68.0 °F		99% IACS
 
Thermal PropertiesMetricEnglishComments
CTE, linear  17.0 µm/m-°C
@Temperature 20.0 - 100 °C		9.44 µin/in-°F
@Temperature 68.0 - 212 °F
 17.3 µm/m-°C
@Temperature 20.0 - 200 °C		9.61 µin/in-°F
@Temperature 68.0 - 392 °F
 17.7 µm/m-°C
@Temperature 20.0 - 300 °C		9.83 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.385 J/g-°C0.0920 BTU/lb-°F
Thermal Conductivity 386 W/m-K
@Temperature 20.0 °C		2680 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
Melting Point 1083 °C1981 °F
Solidus 1083 °C1981 °F
Liquidus 1083 °C1981 °F
Annealing Point >= 371 °C>= 700 °F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 99.95 %99.95 %Includes Cu+Ag+P
Other <= 0.050 %<= 0.050 %
Phosphorus, P 0.0010 - 0.0050 %0.0010 - 0.0050 %

References for this datasheet.

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MC10300b1 / 10379

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