Crucible Steel 430F Stainless Steel

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Crucible Steel 430F Stainless Steel
Categories:	Metal; Ferrous Metal; Ferritic; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	Crucible 430F is a low carbon, high chromium ferritic stainless steel, specially developed for solenoid core applications in corrosive environments. The chemistry is closely controlled to develop optimum machining and magnetic properties. Information provided by Crucible Specialty Metals.
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Physical Properties	Original Value	Comments

Specific Gravity	7.65 g/cc
Density	0.276 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	88
Tensile Strength, Ultimate	80000 psi
	7000 psi @Temperature 760 °C
	77000 psi @Temperature 21.1 °C	annealed bar
Tensile Strength, Yield	50000 psi @Strain 0.2 %
Elongation at Break	30 %	in 2"
	32 % @Temperature 21.1 °C	in 2"
	70 % @Temperature 760 °C	in 2"
Reduction of Area	60 %
	74 %
	99 % @Temperature 760 °C
Fatigue Strength	30000 psi

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000236 ohm-cm @Temperature 20.0 °C
	0.0000453 ohm-cm @Temperature 800.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	5.70 µin/in-°F @Temperature 20.0 - 100 °C
	6.60 µin/in-°F @Temperature 20.0 - 788 °C
Thermal Conductivity	164.4 BTU-in/hr-ft²-°F
Melting Point	2714 °F

Component Elements Properties	Original Value	Comments
Carbon, C	0.060 %
Chromium, Cr	17.5 %
Iron, Fe	81.215 %	As Remainder
Manganese, Mn	0.40 %
Phosphorus, P	0.025 %
Silicon, Si	0.50 %
Sulfur, S	0.30 %

Descriptive Properties
Endurance Limit, ksi	40

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NCRUC046 / 16039

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