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S31727 Stainless Steel vs. EN 1.5805 Steel

Both S31727 stainless steel and EN 1.5805 steel are iron alloys. They have 61% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.5805 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 630
460 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.1
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.6
Embodied Energy, MJ/kg 64
21
Embodied Water, L/kg 180
53

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
16 to 42
Strength to Weight: Bending, points 20
17 to 32
Thermal Shock Resistance, points 14
13 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.12
Chromium (Cr), % 17.5 to 19
0.9 to 1.2
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
95.7 to 97.2
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
1.2 to 1.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025