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S20161 Stainless Steel vs. S13800 Stainless Steel

Both S20161 stainless steel and S13800 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is S20161 stainless steel and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
290 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 46
11 to 18
Fatigue Strength, MPa 360
410 to 870
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
39 to 62
Rockwell C Hardness 22
30 to 51
Shear Modulus, GPa 76
77
Shear Strength, MPa 690
610 to 1030
Tensile Strength: Ultimate (UTS), MPa 980
980 to 1730
Tensile Strength: Yield (Proof), MPa 390
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 870
810
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 360
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 390
1090 to 5490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 36
35 to 61
Strength to Weight: Bending, points 29
28 to 41
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 22
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 15 to 18
12.3 to 13.2
Iron (Fe), % 65.6 to 73.9
73.6 to 77.3
Manganese (Mn), % 4.0 to 6.0
0 to 0.2
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
7.5 to 8.5
Nitrogen (N), % 0.080 to 0.2
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 3.0 to 4.0
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.0080