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S20161 Stainless Steel vs. EN 1.3955 Stainless Steel

Both S20161 stainless steel and EN 1.3955 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S20161 stainless steel and the bottom bar is EN 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 46
23
Fatigue Strength, MPa 360
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 980
520
Tensile Strength: Yield (Proof), MPa 390
220

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 870
930
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 39
45
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 360
95
Resilience: Unit (Modulus of Resilience), kJ/m3 390
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 36
18
Strength to Weight: Bending, points 29
18
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 15 to 18
16.5 to 18.5
Iron (Fe), % 65.6 to 73.9
65.5 to 73.5
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 4.0 to 6.0
10 to 12
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 3.0 to 4.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030