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AK Steel 309 Austenitic Stainless steel

Category	Metal , Ferrous Metal , Austenitic , Stainless Steel , T 300 Series Stainless Steel
Manufacturer	AK Steel
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	AK Steel 309 Austenitic Stainless steel.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

AK Steel 309 provides excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures. The alloy is non-magnetic as annealed and becomes slightly magnetic when cold worked.Information provided by AK Steel

Physical Properties	Metric	English	Comments
Density	7.99 g/cc	0.289 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	85	85	Annealed
Tensile Strength, Ultimate	621 MPa	90100 psi	Annealed
	145 MPa @Temperature 871 °C	21000 psi @Temperature 1600 °F
	441 MPa @Temperature 538 °C	64000 psi @Temperature 1000 °F
	545 MPa @Temperature 204 °C	79000 psi @Temperature 399 °F
Tensile Strength, Yield	310 MPa @Strain 0.200 %	45000 psi @Strain 0.200 %	Annealed
	120 MPa @Strain 0.200 %, Temperature 871 °C	17400 psi @Strain 0.200 %, Temperature 1600 °F
	200 MPa @Strain 0.200 %, Temperature 538 °C	29000 psi @Strain 0.200 %, Temperature 1000 °F
	262 MPa @Strain 0.200 %, Temperature 204 °C	38000 psi @Strain 0.200 %, Temperature 399 °F
Elongation at Break	45 %	45 %	in 2 inches, Annealed
	38 % @Temperature 538 °C	38 % @Temperature 1000 °F	in 2 inches
	46 % @Temperature 204 °C	46 % @Temperature 399 °F	in 2 inches
	50 % @Temperature 871 °C	50 % @Temperature 1600 °F	in 2 inches
Modulus of Elasticity	200 GPa	29000 ksi
Izod Impact	140 J	103 ft-lb	V-Notch (Annealed)

Thermal Properties	Metric	English
CTE, linear	14.9 µm/m-°C @Temperature 0.000 - 100 °C	8.28 µin/in-°F @Temperature 32.0 - 212 °F
	18.0 µm/m-°C @Temperature <=649 °C	10.0 µin/in-°F @Temperature <=1200 °F
Specific Heat Capacity	0.500 J/g-°C @Temperature 0.000 - 100 °C	0.120 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	15.6 W/m-K @Temperature 100 °C	108 BTU-in/hr-ft²-°F @Temperature 212 °F
	18.7 W/m-K @Temperature 500 °C	130 BTU-in/hr-ft²-°F @Temperature 932 °F
Melting Point	1399 - 1454 °C	2550 - 2649 °F
Solidus	1399 °C	2550 °F
Liquidus	1454 °C	2649 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.20 %	<= 0.20 %
Chromium, Cr	22 - 24 %	22 - 24 %
Iron, Fe	57.975 - 66 %	57.975 - 66 %	As Remainder
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	12 - 15 %	12 - 15 %
Phosphorous, P	<= 0.045 %	<= 0.045 %
Silicon, Si	<= 0.75 %	<= 0.75 %
Sulfur, S	<= 0.030 %	<= 0.030 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000780 ohm-cm	0.0000780 ohm-cm
Magnetic Permeability	<= 1.02	<= 1.02	H = 200 Oersteds, Annealed

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