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Physical Properties of 446 Alloys in the Annealed Condition at -20°F to +100°F

      Tensile Strength Yield Strength            
Alloy UNS Designation Spec. psi MPa ksi psi MPa ksi Elongation in 2 in. (min.) % Grain Size Req. Max. Hardness Modulus of Elasticity (x106 psi) Mean Coefficient of Thermal Expansion IN./ IN./ °F x 10-6) Thermal Conductivity (BTU-in/ ft2-h-°F)
446 S44660 A268 — — 85 — — 65 12* — 25 Rc — 5.2 119

*for 0.049” average wall

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