Schmolz + Bickenbach 430FR Stainless Steel Bar

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Schmolz + Bickenbach 430FR Stainless Steel Bar
Categories:	Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	Description: Ugitech’s 430FR is a ferritic stainless steel designed for soft magnetic components operating in corrosive environments. The 17.00% - 18.00% chromium makes corrosion resistance similar to 430F. The increased silicon content in this alloy allows increased magnetic characteristics over 430F in the annealed condition. 430FR has exhibited superior and consistent performance due to its higher electrical resistivity. The alloy was developed for applications that require a weak coercive magnetic force (Hc =1.88 – 3.00 Oe [150 – 240 A/m]) as needed in solenoid valves. Our controlled processing allows magnetic properties to be typically superior to industry norms. 430FR has an increased hardness over 430F, due to the increased silicon levels, reducing the deformation that occurs during the oscillation impacts that occur in AC and DC solenoid valves Applications: Solenoid Valves and Injectors Information provided by Schmolz + Bickenbach
Key Words:	ASTM A838 Alloy 2; EN 10088-3 1.4105, X6CrMoS17
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Physical Properties	Original Value	Comments

Density	0.275 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Brinell	149 - 177	Magnetically Annealed (Grade 1)
Tensile Strength	65.0 - 80.0 ksi	Magnetically Annealed (Grade 1)
Tensile Strength, Yield	45.0 - 65.0 ksi @Strain 0.2 %	Magnetically Annealed (Grade 1)
Elongation at Yield	>= 25 %	Magnetically Annealed (Grade 1)
Reduction of Area	>= 40 %	Magnetically Annealed (Grade 1)
Tensile Modulus	29700 ksi

Electrical Properties	Original Value	Comments
Magnetic Permeability	1200 - 2200	[µ]
	2100	[µ]; Typical delivered
Magnetic Coercive Force, H_c	2.3 Oe	[µ]
	1.88 - 3.0 Oe	[µ]; Typical delivered
Magnetic Saturation Flux Density, B_max	16000 Gauss
Magnetic Remanence, B_r	3000 - 7500 Gauss
	6700 Gauss	Typical delivered magnetic properties

Thermal Properties	Original Value	Comments
CTE, linear	6.00 µin/in-°F @Temperature 20.0 - 200 °C
Thermal Conductivity	173 BTU-in/hr-ft²-°F @Temperature 20.0 °C

Processing Properties	Original Value	Comments
Annealing Temperature	1292 - 1472 °F @Time <=3600 sec	For softening
	1652 °F @Time 7200 sec	Optimum magnetic properties; Then cool to 930°F at a rate of 120°F per hour
	1540 - 1830 °F @Time 7200 sec	Then cool to 930°F at a rate of 120°F per hour
Hot-Working Temperature	1382 - 2192 °F	Uniformly heating

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.065 %
Chromium, Cr	17.25 - 18.25 %
Iron, Fe	>= 77.855 %
Manganese, Mn	<= 0.80 %
Molybdenum, Mo	<= 0.50 %
Nickel, Ni	<= 0.60 %
Phosphorus, P	<= 0.030 %
Silicon, Si	1.0 - 1.5 %
Sulfur, S	0.25 - 4.0 %

Descriptive Properties
Corrosion Resistance	Humidity	2/4
	NaCl 0.2g/l	1.6% mass loss; 60°C; 500 hrs
	NaCl 0.4g/l	1.6% mass loss; 60°C; 500 hrs
	NaCl 0.6g/l	2.25% mass loss; 60°C; 500 hrs
	Sodium Carbonate	2/4

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NSCHMO038 / 125911

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