414 Stainless Steel

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414 Stainless Steel
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	16 mm diameter bar, heated to 980°C for 30 minutes, oil quenched, tempered at 49°C.
Key Words:	UNS S41400, AMS 5615, ASTM A276, ASTM A314, ASTM A473, ASTM A511, ASTM A580, FED QQ-S-763, SAE J405 (51414), martensitic
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	459	459	Converted from Rockwell C Hardness
Hardness, Knoop	506	506	Converted from Rockwell C Hardness
Hardness, Rockwell C	48	48	before testing
Hardness, Vickers	487	487	Converted from Rockwell C hardness.
Tensile Strength, Ultimate	1795 MPa	260300 psi
Tensile Strength, Yield	1013 MPa @Strain 0.2 %	146900 psi @Strain 0.2 %
Elongation at Break	15 %	15 %	in 50 mm
Tensile Modulus	200 GPa	29000 ksi
Izod Impact	30.0 - 80.0 J	22.1 - 59.0 ft-lb	hardened and tempered
	70.0 - 110 J	51.6 - 81.1 ft-lb	annealed

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000700 ohm-cm @Temperature 20.0 °C	0.0000700 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	10.4 µm/m-°C @Temperature 0.000 - 100 °C	5.78 µin/in-°F @Temperature 32.0 - 212 °F
	11.0 µm/m-°C @Temperature 0.000 - 315 °C	6.11 µin/in-°F @Temperature 32.0 - 599 °F
	12.1 µm/m-°C @Temperature 0.000 - 540 °C	6.72 µin/in-°F @Temperature 32.0 - 1000 °F
	12.4 µm/m-°C @Temperature 0.000 - 650 °C	6.89 µin/in-°F @Temperature 32.0 - 1200 °F
Specific Heat Capacity	0.460 J/g-°C @Temperature 0.000 - 100 °C	0.110 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	24.9 W/m-K @Temperature 100 °C	173 BTU-in/hr-ft²-°F @Temperature 212 °F
	28.7 W/m-K @Temperature 500 °C	199 BTU-in/hr-ft²-°F @Temperature 932 °F
Melting Point	1425 - 1480 °C	2597 - 2700 °F
Solidus	1425 °C	2597 °F
Liquidus	1480 °C	2700 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.15 %	<= 0.15 %
Chromium, Cr	12.5 %	12.5 %
Iron, Fe	83 %	83 %
Manganese, Mn	<= 1.0 %	<= 1.0 %
Nickel, Ni	1.88 %	1.88 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %

References for this datasheet.

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MQ414A / 13013

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