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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 PropertiesOriginal ValueComments
Density 7.94 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell B 88
Tensile Strength, Ultimate 752 MPa
 234 MPa
@Temperature 815 °C
 434 MPa
@Temperature 650 °C
 555 MPa
@Temperature 480 °C
 572 MPa
@Temperature 425 °C
 583 MPa
@Temperature 315 °C
 600 MPa
@Temperature 150 °C
Tensile Strength, Yield 365 MPa
@Strain 0.2 %
 172 MPa
@Strain 0.2 %,
Temperature 815 °C
 241 MPa
@Strain 0.2 %,
Temperature 650 °C
 269 MPa
@Strain 0.2 %,
Temperature 480 °C
 272 MPa
@Strain 0.2 %,
Temperature 425 °C
 296 MPa
@Strain 0.2 %,
Temperature 315 °C
 317 MPa
@Strain 0.2 %,
Temperature 150 °C
Elongation at Break 39 %in 50 mm
 24 %
@Temperature 480 °C
in 50 mm
 25 %
@Temperature 650 °C
in 50 mm
 25 %
@Temperature 315 °C
in 50 mm
 25 %
@Temperature 425 °C
in 50 mm
 30 %
@Temperature 150 °C
in 50 mm
 47 %
@Temperature 815 °C
in 50 mm
Modulus of Elasticity 200 GPaTypical for stainless steel
Machinability 45 %Based on 100% machinability for AISI 1212 steel.
Charpy Impact 72.0 JV-Notch
 
Thermal PropertiesOriginal ValueComments
CTE, linear 15.3 µm/m-°C
@Temperature 21.0 - 93.0 °C
 16.3 µm/m-°C
@Temperature 21.0 - 205 °C
 16.7 µm/m-°C
@Temperature 21.0 - 315 °C
 17.6 µm/m-°C
@Temperature 21.0 - 540 °C
 18.0 µm/m-°C
@Temperature 21.0 - 815 °C
Specific Heat Capacity 0.420 J/g-°C
@Temperature 0.000 - 100 °C
Thermal Conductivity 13.5 W/m-K
 18.5 W/m-K
@Temperature 425 °C
 21.3 W/m-K
@Temperature 650 °C
Melting Point 1420 - 1435 °C
Solidus 1420 °C
Liquidus 1435 °C
Maximum Service Temperature, Air 780 °CContinuous Service
 955 °CIntermittent
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.28 - 0.35 %
Chromium, Cr 18 - 21 %
Copper, Cu <= 0.50 %
Iron, Fe 64 %
Manganese, Mn 0.75 - 1.5 %
Molybdenum, Mo 1.0 - 1.75 %
Nickel, Ni 8.0 - 11 %
Niobium, Nb (Columbium, Cb) 0.25 - 0.60 %
Phosphorus, P <= 0.040 %
Silicon, Si 0.30 - 0.80 %
Sulfur, S <= 0.030 %
Titanium, Ti 0.10 - 0.35 %
Tungsten, W 1.0 - 1.75 %

References for this datasheet.

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