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S13800 Stainless Steel vs. S43940 Stainless Steel

Both S13800 stainless steel and S43940 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S13800 stainless steel and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 480
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 18
21
Fatigue Strength, MPa 410 to 870
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 610 to 1030
310
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
490
Tensile Strength: Yield (Proof), MPa 660 to 1580
280

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
540
Maximum Temperature: Mechanical, °C 810
890
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 46
38
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 21
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
86
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 61
18
Strength to Weight: Bending, points 28 to 41
18
Thermal Diffusivity, mm2/s 4.3
6.8
Thermal Shock Resistance, points 33 to 58
18

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 12.3 to 13.2
17.5 to 18.5
Iron (Fe), % 73.6 to 77.3
78.2 to 82.1
Manganese (Mn), % 0 to 0.2
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 7.5 to 8.5
0
Niobium (Nb), % 0
0.3 to 0.6
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
Titanium (Ti), % 0
0.1 to 0.6