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S31254 Stainless Steel vs. S45503 Stainless Steel

Both S31254 stainless steel and S45503 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 29 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 S31254 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
4.6 to 6.8
Fatigue Strength, MPa 290
710 to 800
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
17 to 28
Shear Modulus, GPa 80
75
Shear Strength, MPa 490
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 720
1610 to 1850
Tensile Strength: Yield (Proof), MPa 330
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
640
Maximum Temperature: Mechanical, °C 1090
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
15
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
3.4
Embodied Energy, MJ/kg 74
48
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 44
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
57 to 65
Strength to Weight: Bending, points 22
39 to 43
Thermal Shock Resistance, points 15
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 19.5 to 20.5
11 to 12.5
Copper (Cu), % 0.5 to 1.0
1.5 to 2.5
Iron (Fe), % 51.4 to 56.3
72.4 to 78.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 6.0 to 6.5
0 to 0.5
Nickel (Ni), % 17.5 to 18.5
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.8
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4