321 Stainless Steel, annealed plate

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321 Stainless Steel, annealed plate
Categories:	Metal; Ferrous Metal; Stainless Steel; T 300 Series Stainless Steel
Material Notes:	Similar to Type 304 except Ti content helps prevent chromium carbide precipitation resulting from welding or elevated temperatures. Stabilized at annealing temperatures between 950-1010°C (1750-1850°F). Resists scaling and vibration fatigue. Applications include aircraft exhaust stacks and manifolds, chemical processing equipment, weld equipment, jet engine parts.
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Physical Properties	Original Value	Comments

Density	8.00 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	150
Hardness, Knoop	170	Converted from Brinell
Hardness, Rockwell B	80
Hardness, Vickers	157	Converted from Brinell
Tensile Strength, Ultimate	585 MPa
Tensile Strength, Yield	240 MPa
Elongation at Break	55 %	in 50 mm
Modulus of Elasticity	193 - 200 GPa
Izod Impact	135 J
Charpy Impact	165 J

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000720 ohm-cm	at 20ºC
Magnetic Permeability	1.008	at RT

Thermal Properties	Original Value	Comments
CTE, linear	16.7 µm/m-°C @Temperature 0.000 - 100 °C
	17.1 µm/m-°C @Temperature 0.000 - 315 °C
	18.5 µm/m-°C @Temperature 0.000 - 540 °C
	20.5 µm/m-°C @Temperature 20.0 - 925 °C
Specific Heat Capacity	0.500 J/g-°C @Temperature 0.000 - 100 °C
Thermal Conductivity	16.1 W/m-K @Temperature 100 °C
Melting Point	1400 - 1425 °C
Solidus	1400 °C
Liquidus	1425 °C
Maximum Service Temperature, Air	870 °C	Continuous Service
	925 °C	Intermittent

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.080 %
Chromium, Cr	17 - 19 %
Iron, Fe	65.45 - 73.6 %	As Balance
Manganese, Mn	<= 2.0 %
Nickel, Ni	9.0 - 12 %
Phosphorus, P	<= 0.045 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.030 %
Titanium, Ti	0.40 %	Minimum Ti content = 5 x Carbon content

References for this datasheet.

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