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S31727 Stainless Steel vs. EN 1.5450 Steel

Both S31727 stainless steel and EN 1.5450 steel are iron alloys. They have 59% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.5450 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
19
Fatigue Strength, MPa 240
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
380
Tensile Strength: Ultimate (UTS), MPa 630
620
Tensile Strength: Yield (Proof), MPa 270
460

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
410
Melting Completion (Liquidus), °C 1440
1470
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
2.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.5
Embodied Energy, MJ/kg 64
20
Embodied Water, L/kg 180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.060
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0 to 0.030
0.060 to 0.1
Chromium (Cr), % 17.5 to 19
0 to 0.2
Copper (Cu), % 2.8 to 4.0
0 to 0.3
Iron (Fe), % 53.7 to 61.3
97.6 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 3.8 to 4.5
0.4 to 0.5
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
0.1 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.060