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ATI Allegheny Ludlum AL 403™ Martensitic Stainless Steel

Category Metal , Ferrous Metal , Martensitic , Stainless Steel , T S40000 Series Stainless Steel
Manufacturer ATI Allegheny Ludlum
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ATI Allegheny Ludlum AL 403™ Martensitic Stainless Steel.pdf
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Material Notes:
Characteristics: corrosion resistant, heat resistant, oxidation resistant up to 1400°F.Information provided by Allegheny Ludlum
Physical Properties Metric English Comments
Density 7.64 g/cc
0.276 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B <= 96
<= 96
Annealed
93 - 100
93 - 100
Hardened and Tempered
Tensile Strength, Ultimate >= 483 MPa
>= 70100 psi
Annealed
>= 689 MPa
>= 99900 psi
Hardened and Tempered
Tensile Strength, Yield >= 207 MPa
>= 30000 psi
Annealed
>= 483 MPa
>= 70100 psi
Hardened and Tempered
Elongation at Break >= 18 %
>= 18 %
Hardened and Tempered
>= 25 %
>= 25 %
Annealed
>= 20 %

@Thickness <=12.7 mm
 >= 20 %

@Thickness <=0.500 in
 Annealed
Thermal Properties Metric English Comments
CTE, linear 9.90 µm/m-°C

@Temperature 20.0 - 100 °C
 5.50 µin/in-°F

@Temperature 68.0 - 212 °F
11.2 µm/m-°C

@Temperature 20.0 - 500 °C
 6.22 µin/in-°F

@Temperature 68.0 - 932 °F
11.9 µm/m-°C

@Temperature 20.0 - 787 °C
 6.61 µin/in-°F

@Temperature 68.0 - 1450 °F
Specific Heat Capacity 0.460 J/g-°C

@Temperature 0.000 - 100 °C
 0.110 BTU/lb-°F

@Temperature 32.0 - 212 °F
Thermal Conductivity 25.0 W/m-K

@Temperature 100 °C
 174 BTU-in/hr-ft²-°F

@Temperature 212 °F
28.8 W/m-K

@Temperature 500 °C
 200 BTU-in/hr-ft²-°F

@Temperature 932 °F
Melting Point 1495 °C
2723 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.15 %
<= 0.15 %
Chromium, Cr 11.5 - 13 %
11.5 - 13 %
Iron, Fe >= 84.68 %
>= 84.68 %
As Remainder
Manganese, Mn <= 1.0 %
<= 1.0 %
Nickel, Ni <= 0.60 %
<= 0.60 %
Phosphorous, P <= 0.040 %
<= 0.040 %
Silicon, Si <= 0.50 %
<= 0.50 %
Sulfur, S <= 0.030 %
<= 0.030 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000570 ohm-cm

@Temperature 20.0 °C
 0.0000570 ohm-cm

@Temperature 68.0 °F
0.0000640 ohm-cm

@Temperature 100 °C
 0.0000640 ohm-cm

@Temperature 212 °F
0.0000720 ohm-cm

@Temperature 200 °C
 0.0000720 ohm-cm

@Temperature 392 °F
0.0000880 ohm-cm

@Temperature 400 °C
 0.0000880 ohm-cm

@Temperature 752 °F
0.0001035 ohm-cm

@Temperature 600 °C
 0.0001035 ohm-cm

@Temperature 1110 °F
0.000111 ohm-cm

@Temperature 700 °C
 0.000111 ohm-cm

@Temperature 1290 °F
Magnetic Permeability 900
900
Maximum for annealed alloy. Alloy is ferromagnetic in all conditions.
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