660 Stainless Steel (A286) short time tensile test, tested at 705°C (1300°F)  (Unverified Data**)
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 600 Series Stainless Steel
Key Words:	UNS S66286 (UNS K66286), AMS 5525, AMS 5731, AMS 5732, AMS 5734, AMS 5735, AMS 5736, AMS 5737, AMS 5804, AMS 5805, ASME SA638, ASTM A453, ASTM A638, SAE J467 (A286); DIN 1.4980
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Physical Properties	Metric	English	Comments
Density	7.92 g/cc	0.286 lb/in³	Room Temp.
Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	596 MPa	86400 psi
Tensile Strength, Yield	472 MPa	68500 psi	at 0.02% offset
Elongation at Break	11 %	11 %	in 50 mm
Reduction of Area	9.6 %	9.6 %
Charpy Impact	60.0 J	44.3 ft-lb	V-Notch; Conditions prior to test: 22 mm diameter bar ST980°C; OQ; Aged 16 hr at 720°C, AC.
Thermal Properties	Metric	English	Comments
CTE, linear	16.9 µm/m-°C @Temperature 21.0 - 100 °C	9.39 µin/in-°F @Temperature 69.8 - 212 °F	solution treated, 16.7 solution treated and aged.
	17.2 µm/m-°C @Temperature 20.0 - 250 °C	9.56 µin/in-°F @Temperature 68.0 - 482 °F
	17.4 µm/m-°C @Temperature 21.0 - 500 °C	9.67 µin/in-°F @Temperature 69.8 - 932 °F
	17.6 µm/m-°C @Temperature 21.0 - 650 °C	9.78 µin/in-°F @Temperature 69.8 - 1200 °F	solution treated
	17.7 µm/m-°C @Temperature 21.0 - 750 °C	9.83 µin/in-°F @Temperature 69.8 - 1380 °F	solution treated
	18.5 µm/m-°C @Temperature 21.0 - 750 °C	10.3 µin/in-°F @Temperature 69.8 - 1380 °F	solution treated and aged.
	19.4 µm/m-°C @Temperature 21.0 - 900 °C	10.8 µin/in-°F @Temperature 69.8 - 1650 °F	solution treated
Specific Heat Capacity	0.460 J/g-°C	0.110 BTU/lb-°F	from 0-100°C (32-212°F)
Thermal Conductivity	12.6 W/m-K	87.4 BTU-in/hr-ft²-°F	at 21°C, 15.1 W/m-K at 150°C, 20.2 W/m-K at 425°C, 23.79 W/m-K at 600°C, 24.7 W/m-K at 650°C
Melting Point	1370 - 1425 °C	2500 - 2597 °F
Solidus	1370 °C	2500 °F
Liquidus	1425 °C	2597 °F
Maximum Service Temperature, Air	815 °C	1500 °F	Continuous Service
	980 °C	1800 °F	Intermittent
Component Elements Properties	Metric	English	Comments
Aluminum, Al	<= 0.035 %	<= 0.035 %
Boron, B	0.0010 - 0.010 %	0.0010 - 0.010 %
Carbon, C	<= 0.080 %	<= 0.080 %
Chromium, Cr	13.5 - 16 %	13.5 - 16 %
Copper, Cu	<= 0.25 %	<= 0.25 %
Iron, Fe	56 %	56 %
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	24 - 27 %	24 - 27 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %
Titanium, Ti	1.9 - 2.35 %	1.9 - 2.35 %
Vanadium, V	0.10 - 0.50 %	0.10 - 0.50 %

References for this datasheet.

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