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S45503 Stainless Steel vs. EN 1.4931 Steel

Both S45503 stainless steel and EN 1.4931 steel are iron alloys. They have 89% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S45503 stainless steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6 to 6.8
17
Fatigue Strength, MPa 710 to 800
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
810
Tensile Strength: Yield (Proof), MPa 1430 to 1700
620

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 760
600
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.9
Embodied Energy, MJ/kg 48
42
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 13
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 57 to 65
29
Strength to Weight: Bending, points 39 to 43
25
Thermal Shock Resistance, points 56 to 64
22

Alloy Composition

Carbon (C), % 0 to 0.010
0.2 to 0.26
Chromium (Cr), % 11 to 12.5
11.3 to 12.2
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
83.2 to 86.8
Manganese (Mn), % 0 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.5
1.0 to 1.2
Nickel (Ni), % 7.5 to 9.5
0 to 1.0
Niobium (Nb), % 0.1 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 1.0 to 1.4
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35