AK Steel 304L Austenitic Stainless steel

Category	Metal , Ferrous Metal , Austenitic , Stainless Steel , T 300 Series 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 304L Austenitic Stainless steel.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

AK Steel 304L is an extra low-carbon variation of Type 304, that eliminates carbide precipitation due to welding. AK Steel 304L can be used in the "as-welded" condition, even in severe corrosive conditions. It often eliminates the necessity of annealing weldments except for applications specifying stress relief. It has slightly lower mechanical properties than Type 304.Information provided by AK Steel

Physical Properties	Metric	English	Comments
Density	8.03 g/cc	0.290 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	80	80
Tensile Strength, Ultimate	586 MPa	85000 psi
Tensile Strength, Yield	241 MPa @Strain 0.200 %	35000 psi @Strain 0.200 %
Elongation at Break	55 %	55 %	in 2 inches
Modulus of Elasticity	193 GPa	28000 ksi	tension
Poissons Ratio	0.24	0.24	Calculated
Shear Modulus	78.0 GPa	11300 ksi	torsion

Thermal Properties	Metric	English
CTE, linear	16.9 µm/m-°C @Temperature 0.000 - 100 °C	9.39 µin/in-°F @Temperature 32.0 - 212 °F
	18.7 µm/m-°C @Temperature <=649 °C	10.4 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	16.2 W/m-K @Temperature 100 °C	112 BTU-in/hr-ft²-°F @Temperature 212 °F
	21.4 W/m-K @Temperature 500 °C	149 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	<= 0.030 %	<= 0.030 %
Chromium, Cr	18 - 20 %	18 - 20 %
Iron, Fe	65.045 - 74 %	65.045 - 74 %	As Remainder
Manganese, Mn	<= 2.0 %	<= 2.0 %
Nickel, Ni	8.0 - 12 %	8.0 - 12 %
Nitrogen, N	<= 0.10 %	<= 0.10 %
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	0.0000720 ohm-cm	0.0000720 ohm-cm
	0.000116 ohm-cm @Temperature 659 °C	0.000116 ohm-cm @Temperature 1220 °F
Magnetic Permeability	<= 1.02	<= 1.02	H = 200 Oersteds, Annealed

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