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S13800 Stainless Steel vs. AISI 440A Stainless Steel

Both S13800 stainless steel and AISI 440A stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S13800 stainless steel and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 18
5.0 to 20
Fatigue Strength, MPa 410 to 870
270 to 790
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 610 to 1030
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
730 to 1790
Tensile Strength: Yield (Proof), MPa 660 to 1580
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 810
760
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.2
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 21
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
87 to 120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 61
26 to 65
Strength to Weight: Bending, points 28 to 41
23 to 43
Thermal Diffusivity, mm2/s 4.3
6.2
Thermal Shock Resistance, points 33 to 58
26 to 65

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0
Carbon (C), % 0 to 0.050
0.6 to 0.75
Chromium (Cr), % 12.3 to 13.2
16 to 18
Iron (Fe), % 73.6 to 77.3
78.4 to 83.4
Manganese (Mn), % 0 to 0.2
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.75
Nickel (Ni), % 7.5 to 8.5
0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.0080
0 to 0.015