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EN 1.8503 Steel vs. S31277 Stainless Steel

Both EN 1.8503 steel and S31277 stainless steel are iron alloys. They have 44% of their average alloy composition in common. There are 27 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 EN 1.8503 steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
45
Fatigue Strength, MPa 600
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 610
600
Tensile Strength: Ultimate (UTS), MPa 1000
860
Tensile Strength: Yield (Proof), MPa 910
410

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.3
6.7
Embodied Energy, MJ/kg 33
90
Embodied Water, L/kg 57
220

Common Calculations

PREN (Pitting Resistance) 3.7
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
320
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 35
29
Strength to Weight: Bending, points 28
25
Thermal Shock Resistance, points 29
19

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0 to 0.020
Chromium (Cr), % 1.2 to 1.5
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 95.8 to 97.5
35.5 to 46.2
Manganese (Mn), % 0.4 to 0.8
0 to 3.0
Molybdenum (Mo), % 0.65 to 0.8
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010
Vanadium (V), % 0.25 to 0.35
0