AISI Type 651 (19-9 DL) Stainless Steel annealed at 980°C (1800°F), 88 HRB hardness

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AISI Type 651 (19-9 DL) Stainless Steel annealed at 980°C (1800°F), 88 HRB hardness
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 600 Series Stainless Steel
Material Notes:	0.89-1.33 mm thick sheet
Key Words:	UNS K63198, AMS 5369, AMS 5526, AMS 5527, AMS 5720, AMS 5721, AMS 5722, ASTM A453, ASTM A457, ASTM 458, ASTM A477, SAE J467(19-9 DL), MIL SPEC MIL-S-46042
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Physical Properties	Metric	English	Comments

Density	7.94 g/cc	0.287 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	88	88
Tensile Strength, Ultimate	752 MPa	109000 psi
	234 MPa @Temperature 815 °C	33900 psi @Temperature 1500 °F
	434 MPa @Temperature 650 °C	62900 psi @Temperature 1200 °F
	555 MPa @Temperature 480 °C	80500 psi @Temperature 896 °F
	572 MPa @Temperature 425 °C	83000 psi @Temperature 797 °F
	583 MPa @Temperature 315 °C	84600 psi @Temperature 599 °F
	600 MPa @Temperature 150 °C	87000 psi @Temperature 302 °F
Tensile Strength, Yield	365 MPa @Strain 0.2 %	52900 psi @Strain 0.2 %
	172 MPa @Strain 0.2 %, Temperature 815 °C	24900 psi @Strain 0.2 %, Temperature 1500 °F
	241 MPa @Strain 0.2 %, Temperature 650 °C	35000 psi @Strain 0.2 %, Temperature 1200 °F
	269 MPa @Strain 0.2 %, Temperature 480 °C	39000 psi @Strain 0.2 %, Temperature 896 °F
	272 MPa @Strain 0.2 %, Temperature 425 °C	39500 psi @Strain 0.2 %, Temperature 797 °F
	296 MPa @Strain 0.2 %, Temperature 315 °C	42900 psi @Strain 0.2 %, Temperature 599 °F
	317 MPa @Strain 0.2 %, Temperature 150 °C	46000 psi @Strain 0.2 %, Temperature 302 °F
Elongation at Break	39 %	39 %	in 50 mm
	24 % @Temperature 480 °C	24 % @Temperature 896 °F	in 50 mm
	25 % @Temperature 650 °C	25 % @Temperature 1200 °F	in 50 mm
	25 % @Temperature 315 °C	25 % @Temperature 599 °F	in 50 mm
	25 % @Temperature 425 °C	25 % @Temperature 797 °F	in 50 mm
	30 % @Temperature 150 °C	30 % @Temperature 302 °F	in 50 mm
	47 % @Temperature 815 °C	47 % @Temperature 1500 °F	in 50 mm
Modulus of Elasticity	200 GPa	29000 ksi	Typical for stainless steel
Machinability	45 %	45 %	Based on 100% machinability for AISI 1212 steel.
Charpy Impact	72.0 J	53.1 ft-lb	V-Notch

Thermal Properties	Metric	English	Comments
CTE, linear	15.3 µm/m-°C @Temperature 21.0 - 93.0 °C	8.50 µin/in-°F @Temperature 69.8 - 199 °F
	16.3 µm/m-°C @Temperature 21.0 - 205 °C	9.06 µin/in-°F @Temperature 69.8 - 401 °F
	16.7 µm/m-°C @Temperature 21.0 - 315 °C	9.28 µin/in-°F @Temperature 69.8 - 599 °F
	17.6 µm/m-°C @Temperature 21.0 - 540 °C	9.78 µin/in-°F @Temperature 69.8 - 1000 °F
	18.0 µm/m-°C @Temperature 21.0 - 815 °C	10.0 µin/in-°F @Temperature 69.8 - 1500 °F
Specific Heat Capacity	0.420 J/g-°C @Temperature 0.000 - 100 °C	0.100 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	13.5 W/m-K	93.7 BTU-in/hr-ft²-°F
	18.5 W/m-K @Temperature 425 °C	128 BTU-in/hr-ft²-°F @Temperature 797 °F
	21.3 W/m-K @Temperature 650 °C	148 BTU-in/hr-ft²-°F @Temperature 1200 °F
Melting Point	1420 - 1435 °C	2590 - 2615 °F
Solidus	1420 °C	2590 °F
Liquidus	1435 °C	2615 °F
Maximum Service Temperature, Air	780 °C	1440 °F	Continuous Service
	955 °C	1750 °F	Intermittent

Component Elements Properties	Metric	English	Comments
Carbon, C	0.28 - 0.35 %	0.28 - 0.35 %
Chromium, Cr	18 - 21 %	18 - 21 %
Copper, Cu	<= 0.50 %	<= 0.50 %
Iron, Fe	64 %	64 %
Manganese, Mn	0.75 - 1.5 %	0.75 - 1.5 %
Molybdenum, Mo	1.0 - 1.75 %	1.0 - 1.75 %
Nickel, Ni	8.0 - 11 %	8.0 - 11 %
Niobium, Nb (Columbium, Cb)	0.25 - 0.60 %	0.25 - 0.60 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	0.30 - 0.80 %	0.30 - 0.80 %
Sulfur, S	<= 0.030 %	<= 0.030 %
Titanium, Ti	0.10 - 0.35 %	0.10 - 0.35 %
Tungsten, W	1.0 - 1.75 %	1.0 - 1.75 %

References for this datasheet.

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