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EN 1.4646 Stainless Steel vs. S20161 Stainless Steel

Both EN 1.4646 stainless steel and S20161 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
46
Fatigue Strength, MPa 340
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 500
690
Tensile Strength: Ultimate (UTS), MPa 750
980
Tensile Strength: Yield (Proof), MPa 430
390

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
870
Melting Completion (Liquidus), °C 1390
1380
Melting Onset (Solidus), °C 1340
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 41
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
360
Resilience: Unit (Modulus of Resilience), kJ/m3 460
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 27
36
Strength to Weight: Bending, points 24
29
Thermal Shock Resistance, points 16
22

Alloy Composition

Carbon (C), % 0.020 to 0.1
0 to 0.15
Chromium (Cr), % 17 to 19
15 to 18
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
65.6 to 73.9
Manganese (Mn), % 10.5 to 12.5
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
4.0 to 6.0
Nitrogen (N), % 0.2 to 0.3
0.080 to 0.2
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.015
0 to 0.040