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EN 1.5502 Steel vs. S20161 Stainless Steel

Both EN 1.5502 steel and S20161 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 EN 1.5502 steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
46
Fatigue Strength, MPa 190 to 290
360
Poisson's Ratio 0.29
0.28
Reduction in Area, % 62 to 76
45
Shear Modulus, GPa 73
76
Shear Strength, MPa 280 to 330
690
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
980
Tensile Strength: Yield (Proof), MPa 270 to 440
390

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 47
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 210
360
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 520
390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 14 to 49
36
Strength to Weight: Bending, points 15 to 35
29
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 12 to 40
22

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0 to 0.15
Chromium (Cr), % 0 to 0.3
15 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 99.249
65.6 to 73.9
Manganese (Mn), % 0.6 to 0.9
4.0 to 6.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
3.0 to 4.0
Sulfur (S), % 0 to 0.025
0 to 0.040