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S13800 Stainless Steel vs. S31100 Stainless Steel

Both S13800 stainless steel and S31100 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S13800 stainless steel and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 480
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 18
4.5
Fatigue Strength, MPa 410 to 870
330
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 30 to 51
28
Shear Modulus, GPa 77
79
Shear Strength, MPa 610 to 1030
580
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
1000
Tensile Strength: Yield (Proof), MPa 660 to 1580
710

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
470
Maximum Temperature: Mechanical, °C 810
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.1
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
40
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
1240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 61
36
Strength to Weight: Bending, points 28 to 41
29
Thermal Diffusivity, mm2/s 4.3
4.2
Thermal Shock Resistance, points 33 to 58
28

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0
Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 12.3 to 13.2
25 to 27
Iron (Fe), % 73.6 to 77.3
63.6 to 69
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
6.0 to 7.0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.0080
0 to 0.030
Titanium (Ti), % 0
0 to 0.25