1201 Alloy forged rolled circle

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1201 Alloy forged rolled circle
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; Other Wrought Al Alloy
Material Notes:	Russian Al Alloy used in aerospace cryogenic fuel tanks. Has low density and exhibits high strength, high elasticity, and high fatigue durability at both elevated (up to150°C) and cryogenic temperatures.
Key Words:	Russian Aluminum 1201 Alloy, Al-Li Alloys, Aluminium Alloy; Al1201
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Physical Properties	Metric	English	Comments

Density	2.85 g/cc	0.103 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	415 MPa	60200 psi
	600 MPa @Temperature -253 °C	87000 psi @Temperature -423 °F
Tensile Strength, Yield	290 MPa	42100 psi
	350 MPa @Temperature -253 °C	50800 psi @Temperature -423 °F
Elongation at Break	10 %	10 %
	14 % @Temperature -253 °C	14 % @Temperature -423 °F
Modulus of Elasticity	72.0 GPa	10400 ksi
Shear Strength	247 MPa	35800 psi	Calculated
	354 MPa @Temperature -253 °C	51300 psi @Temperature -423 °F	Calculated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000450 ohm-cm	0.00000450 ohm-cm	Estimated from similar Aluminum alloys

Thermal Properties	Metric	English	Comments
CTE, linear	22.8 µm/m-°C @Temperature 20.0 °C	12.7 µin/in-°F @Temperature 68.0 °F	Estimated from similar Aluminum alloys
	24.5 µm/m-°C @Temperature 20.0 °C	13.6 µin/in-°F @Temperature 68.0 °F	Estimated from similar Aluminum alloys
Specific Heat Capacity	0.873 J/g-°C	0.209 BTU/lb-°F	Estimated from similar Aluminum alloys
Thermal Conductivity	151 W/m-K	1050 BTU-in/hr-ft²-°F	Estimated from similar Aluminum alloys

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MA91201E / 9730

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