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EN 1.4931 Steel vs. S45500 Stainless Steel

Both EN 1.4931 steel and S45500 stainless steel are iron alloys. They have 88% 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 EN 1.4931 steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
3.4 to 11
Fatigue Strength, MPa 410
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 810
1370 to 1850
Tensile Strength: Yield (Proof), MPa 620
1240 to 1700

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.8
Embodied Energy, MJ/kg 42
57
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 16
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
48 to 65
Strength to Weight: Bending, points 25
35 to 42
Thermal Shock Resistance, points 22
48 to 64

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.050
Chromium (Cr), % 11.3 to 12.2
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 83.2 to 86.8
71.5 to 79.2
Manganese (Mn), % 0.5 to 0.8
0 to 0.5
Molybdenum (Mo), % 1.0 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 1.0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0