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EN 1.7715 Steel vs. S20161 Stainless Steel

Both EN 1.7715 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7715 steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
46
Fatigue Strength, MPa 240
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 340
690
Tensile Strength: Ultimate (UTS), MPa 540
980
Tensile Strength: Yield (Proof), MPa 340
390

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
870
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
12
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 30
39
Embodied Water, L/kg 52
130

Common Calculations

PREN (Pitting Resistance) 2.4
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
360
Resilience: Unit (Modulus of Resilience), kJ/m3 320
390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 19
36
Strength to Weight: Bending, points 19
29
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.15
Chromium (Cr), % 0.3 to 0.6
15 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.5 to 98.3
65.6 to 73.9
Manganese (Mn), % 0.4 to 0.7
4.0 to 6.0
Molybdenum (Mo), % 0.5 to 0.7
0
Nickel (Ni), % 0 to 0.3
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), % 0.15 to 0.35
3.0 to 4.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Vanadium (V), % 0.22 to 0.28
0