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AK Steel 430 ULTRA FORM® Stainless Steel

Category	Metal , Ferrous Metal , Stainless Steel
Manufacturer	AK Steel
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	AK Steel 430 ULTRA FORM® Stainless Steel.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

430 ULTRA FORM® Stainless Steel was developed as a more formable version of Type 430 stainless steel. It is particularly suited for parts requiring more complex shapes. 430 ULTRA FORM Stainless Steel combines good corrosion resistance with heat and oxidation resistance up to 1500 °F (816 °C) while having improved mechanical properties over regular Type 430. 430 ULTRA FORM Stainless Steel has a more equiaxed grain microstructure and contains a small addition of titanium that stabilizes the alloy and improves weldability. The alloy can be supplied with a dull pickled, temper passed finish or a directional polished finish.Information provided by AK Steel.

Physical Properties	Metric	English	Comments
Density	7.74 g/cc	0.280 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	77.5 @Thickness 0.508 - 1.27 mm	77.5 @Thickness 0.0200 - 0.0500 in
	80.5 @Thickness >=1.27 mm	80.5 @Thickness >=0.0500 in
Tensile Strength, Ultimate	494 MPa	71600 psi	Longitudinal to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	494 MPa	71600 psi	Transverse to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	506 MPa	73400 psi	Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	491 MPa @Thickness >=1.27 mm	71200 psi @Thickness >=0.0500 in
	503 MPa @Thickness 0.508 - 1.27 mm	73000 psi @Thickness 0.0200 - 0.0500 in
Tensile Strength, Yield	42.4 MPa @Strain 0.200 %	6150 psi @Strain 0.200 %	Longitudinal to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	44.6 MPa @Strain 0.200 %	6470 psi @Strain 0.200 %	Transverse to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	45.2 MPa @Strain 0.200 %	6560 psi @Strain 0.200 %	Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	343 MPa @Strain 0.200 %	49700 psi @Strain 0.200 %	0.02"-0.05"
	354 MPa @Strain 0.200 %	51300 psi @Strain 0.200 %	>0.05"
Elongation at Break	27.2 %	27.2 %	In 2", Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	29.2 %	29.2 %	In 2", Transverse to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	29.7 %	29.7 %	In 2", Longitudinal to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	29.5 % @Thickness 0.508 - 1.27 mm	29.5 % @Thickness 0.0200 - 0.0500 in	In 2"
	31.2 % @Thickness >=1.27 mm	31.2 % @Thickness >=0.0500 in	In 2"
Modulus of Elasticity	200 GPa	29000 ksi

Thermal Properties	Metric	English
CTE, linear	10.4 µm/m-°C @Temperature -17.8 - 37.8 °C	5.80 µin/in-°F @Temperature 0.000 - 100 °F
	11.3 µm/m-°C @Temperature -17.8 - 281 °C	6.30 µin/in-°F @Temperature 0.000 - 538 °F
Specific Heat Capacity	0.460 J/g-°C	0.110 BTU/lb-°F
Thermal Conductivity	26.1 W/m-K @Temperature 100 °C	181 BTU-in/hr-ft²-°F @Temperature 212 °F
	26.3 W/m-K @Temperature 500 °C	183 BTU-in/hr-ft²-°F @Temperature 932 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.035 %	0.035 %
Chromium, Cr	17 %	17 %
Iron, Fe	82.113 %	82.113 %	Balance
Manganese, Mn	0.30 %	0.30 %
Phosphorous, P	0.030 %	0.030 %
Silicon, Si	0.35 %	0.35 %
Sulfur, S	0.0020 %	0.0020 %
Titanium, Ti	0.17 %	0.17 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000600 ohm-cm	0.0000600 ohm-cm

Descriptive Properties	Value	Comments
Chemical Immersion Testing (mm/yr)	<2	20% Sodium Hydroxide
	<2	60% Acetic Acid
	<2	10% Citric Acid
	13	1% Hydrochloric Acid
	2	Household Bleach
	38	5% Sulfuric Acid
delta r	0.48	Plastic strain ratio 18%, ASTM E517
delta r (Max-Min)	0.9	Plastic strain ratio 18%, ASTM E517
n Value (10% -Ult)	0.192	Transverse to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	0.194	Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
	0.2	Longitudinal to Sheet Rolling Direction, Tensile Hardness Test (ASTM E8, E694, E18, A370)
Olsen Cup Height (in)	0.319
Ridging No.	2	Plastic strain ratio 18%, ASTM E517
r-Value	1.24	Rolling Direction, Plastic strain ratio 18%, ASTM E517
	1.31	Longitudinal to Sheet Rolling Direction, Plastic strain ratio at 18%, ASTM E517
	2.14	Transverse to Sheet Rolling Direction, Plastic strain ratio 18%, ASTM E517
Strength Coefficient (ksi)	119.6	Transverse to Sheet Rolling Direction, Plastic strain ratio 18%, ASTM E517
	121	Longitudinal to Sheet Rolling Direction, Plastic strain ratio at 18%, ASTM E517
	123.3	Rolling Direction, Plastic strain ratio 18%, ASTM E517
Typical rm value	1.48	Plastic strain ratio 18%, ASTM E517

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