Niobium Nb-1Zr (Wah Chang WC-1Zr; Fansteel 80), Commercial Grade

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Niobium Nb-1Zr (Wah Chang WC-1Zr; Fansteel 80), Commercial Grade
Categories:	Metal; Nonferrous Metal; Niobium Alloy; Refractory Metal
Key Words:	Columbium Alloy, UNS R04261 (Commercial Grade); ASTM B391; ASTM B392; ASTM B393; ASTM B394
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Physical Properties	Metric	English	Comments

Density	8.59 g/cc	0.310 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength	159 MPa @Temperature 1090 °C	23000 psi @Temperature 2000 °F	Recrystallized
Tensile Strength, Ultimate	241 MPa	35000 psi	Recrystallized
	160 MPa @Temperature 1093 °C	23200 psi @Temperature 1999 °F	Recrystallized prior to test
Tensile Strength, Yield	138 MPa	20000 psi	Recrystallized
Elongation at Break	20 %	20 %	in 25 mm; Recrystallized
Rupture Strength	96.5 MPa @Temperature 1090 °C, Time 36000 sec	14000 psi @Temperature 2000 °F, Time 10.0 hour	Recrystallized
Tensile Modulus	68.9 GPa	9990 ksi
Machinability	80 %	80 %	C36000 Brass as 100%
Shear Strength	250 MPa	36300 psi	Average for rivet
Charpy Impact	>= 81.0 J	>= 59.7 ft-lb	V-Notch, as-rolled
	126 J	92.9 ft-lb	V-Notch, Recrystallized
	160 J	118 ft-lb	V-Notch, stress-relieved
Charpy Impact, Unnotched	174 J	128 ft-lb	Recrystallized
	175 J	129 ft-lb	Stress-relieved
	210 J	155 ft-lb	As-Rolled

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000147 ohm-cm @Temperature 0.000 °C	0.00000147 ohm-cm @Temperature 32.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	7.54 µm/m-°C @Temperature 20.0 - 408 °C	4.19 µin/in-°F @Temperature 68.0 - 766 °F
Specific Heat Capacity	0.270 J/g-°C	0.0645 BTU/lb-°F
Thermal Conductivity	41.9 W/m-K	291 BTU-in/hr-ft²-°F
Melting Point	<= 2407 °C	<= 4365 °F
Liquidus	2407 °C	4365 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.010 %	<= 0.010 %
Hafnium, Hf	<= 0.010 %	<= 0.010 %
Hydrogen, H	<= 0.0020 %	<= 0.0020 %
Iron, Fe	<= 0.010 %	<= 0.010 %
Molybdenum, Mo	<= 0.0050 %	<= 0.0050 %
Nickel, Ni	<= 0.0050 %	<= 0.0050 %
Niobium, Nb (Columbium, Cb)	>= 98.5 %	>= 98.5 %
Nitrogen, N	<= 0.030 %	<= 0.030 %
Oxygen, O	<= 0.030 %	<= 0.030 %
Silicon, Si	<= 0.0050 %	<= 0.0050 %
Tantalum, Ta	<= 0.20 %	<= 0.20 %
Tungsten, W	<= 0.050 %	<= 0.050 %
Zirconium, Zr	0.80 - 1.2 %	0.80 - 1.2 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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