422 Stainless Steel 525°C (980°F) temper

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422 Stainless Steel 525°C (980°F) temper
Categories:	Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	austenitized at 1040°C for 1 hour, oil quench, temper for 2 hours, effects on impact properties
Key Words:	UNS S42200, AMS 5655, ASTM A565, SAE J467, DIN 1.4935, JIS SUH 616
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Physical Properties	Original Value	Comments

Density	7.80 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	472	Converted from Rockwell C Hardness
Hardness, Knoop	522	Converted from Rockwell C Hardness
Hardness, Rockwell C	49	austenitized at 1040°C for 1 hour, oil quench, tempered for 2 hours
Hardness, Vickers	502	Converted from Rockwell C Hardness
Tensile Modulus	199.2 GPa
	141.4 GPa @Temperature 595 °C
	166.6 GPa @Temperature 425 °C
	189.6 GPa @Temperature 260 °C
Poissons Ratio	0.20	Calculated
Shear Modulus	62.0 GPa @Temperature 593 °C
	72.4 GPa @Temperature 427 °C
	79.3 GPa @Temperature 260 °C
	82.7 GPa @Temperature 23.9 °C
Charpy Impact	8.00 J

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000610 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	11.2 µm/m-°C @Temperature 0.000 - 100 °C
	11.3 µm/m-°C @Temperature 0.000 - 315 °C
	11.9 µm/m-°C @Temperature 0.000 - 540 °C
	12.1 µm/m-°C @Temperature 0.000 - 650 °C
Specific Heat Capacity	0.460 J/g-°C @Temperature 0.000 - 100 °C
Thermal Conductivity	23.9 W/m-K @Temperature 100 °C
	27.3 W/m-K @Temperature 500 °C
Melting Point	1470 - 1480 °C
Solidus	1470 °C
Liquidus	1480 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.20 - 0.25 %
Chromium, Cr	12 %
Iron, Fe	84 %
Manganese, Mn	<= 1.0 %
Molybdenum, Mo	1.0 %
Nickel, Ni	0.75 %
Phosphorus, P	<= 0.025 %
Silicon, Si	<= 0.75 %
Sulfur, S	<= 0.025 %
Tungsten, W	1.0 %
Vanadium, V	0.23 %

References for this datasheet.

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MQ422AU / 13101

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