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S31727 Stainless Steel vs. EN 1.8527 Steel

Both S31727 stainless steel and EN 1.8527 steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 240
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 430
550
Tensile Strength: Ultimate (UTS), MPa 630
900
Tensile Strength: Yield (Proof), MPa 270
800

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1010
490
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
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.7
Embodied Energy, MJ/kg 64
23
Embodied Water, L/kg 180
66

Common Calculations

PREN (Pitting Resistance) 35
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 20
26
Thermal Shock Resistance, points 14
26

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.12
Chromium (Cr), % 17.5 to 19
3.7 to 4.3
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
93.2 to 95.1
Manganese (Mn), % 0 to 1.0
0.85 to 1.2
Molybdenum (Mo), % 3.8 to 4.5
0.4 to 0.6
Nickel (Ni), % 14.5 to 16.5
0
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035