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S31727 Stainless Steel vs. EN 1.5503 Steel

Both S31727 stainless steel and EN 1.5503 steel are iron alloys. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
12 to 17
Fatigue Strength, MPa 240
180 to 280
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
63 to 72
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
270 to 320
Tensile Strength: Ultimate (UTS), MPa 630
400 to 520
Tensile Strength: Yield (Proof), MPa 270
270 to 430

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
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
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.4
Embodied Energy, MJ/kg 64
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 190
200 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
14 to 19
Strength to Weight: Bending, points 20
15 to 18
Thermal Shock Resistance, points 14
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.16 to 0.2
Chromium (Cr), % 17.5 to 19
0
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
98.4 to 99.239
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 3.8 to 4.5
0
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 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025