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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
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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 Comments
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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