Copper Nickel Tin, UNS C72800, TL08 Temper, Strip

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Copper Nickel Tin, UNS C72800, TL08 Temper, Strip
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: Precipitation Heat Treated or Spinodal Heat Treated and Spring Fabrication Properties: Excellent Suitability – Soldering, Brazing, Gas Shielded Arc Welding, Spot Weld, Seam Weld, Butt Weld, Capacity for Being Cold Worked; Good Suitability – Capacity for Being Hot Formed Common Fabrication Processes: Coining; Cold Heading; Drawing; Extruding and Machining; Forming and Bending; Knurling; Roll Threading; Swaging; Welding Typical uses: Bars; Extruded Shapes; Forgings; Rod; Springs; Tubes; Wire
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Physical Properties	Original Value	Comments

Density	0.324 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	39 @Thickness 1.60 mm
Tensile Strength	191 ksi @Thickness 1.60 mm
Tensile Strength, Yield	149 ksi @Thickness 1.60 mm	0.01% Offset
	180 ksi @Thickness 1.60 mm	0.2% Offset
Elongation at Break	3.7 % @Thickness 1.60 mm
Tensile Modulus	18500 ksi
Modulus of Rigidity	6840 ksi
Poissons Ratio	0.35	Calculated
Machinability	10 %
Forgeability	30 %

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000159 ohm-cm	10.8% IACS

Thermal Properties	Original Value	Comments
CTE, linear	7.50 µin/in-°F @Temperature 20.0 - 100 °C
	8.60 µin/in-°F @Temperature 20.0 - 200 °C
	9.10 µin/in-°F @Temperature 20.0 - 300 °C
Specific Heat Capacity	0.0910 BTU/lb-°F
Thermal Conductivity	31.7 BTU-in/hr-ft²-°F
Melting Point	1682 - 1980 °F
Solidus	1682 °F
Liquidus	1980 °F
Annealing Point	1470 - 1550 °F

Processing Properties	Original Value	Comments
Hot-Working Temperature	1200 - 1600 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	<= 0.10 %
Antimony, Sb	<= 0.020 %
Bismuth, Bi	<= 0.0010 %
Boron, B	<= 0.0010 %
Copper, Cu	78.6 - 82.8 %	As Balance
Iron, Fe	<= 0.50 %
Lead, Pb	<= 0.0050 %
Magnesium, Mg	0.0050 - 0.15 %
Manganese, Mn	0.050 - 0.30 %
Nickel, Ni	9.5 - 10.5 %
Niobium, Nb (Columbium, Cb)	0.10 - 0.30 %
Phosphorus, P	<= 0.0050 %
Silicon, Si	<= 0.050 %
Sulfur, S	<= 0.0025 %
Tin, Sn	7.5 - 8.5 %
Titanium, Ti	<= 0.010 %
Zinc, Zn	<= 1.0 %

Descriptive Properties
US EPA Registered Antimicrobial	Yes

References for this datasheet.

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MC72800x8 / 293115

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