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S45503 Stainless Steel vs. SAE-AISI 4027 Steel

Both S45503 stainless steel and SAE-AISI 4027 steel are iron alloys. They have 76% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S45503 stainless steel and the bottom bar is SAE-AISI 4027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.6 to 6.8
23
Fatigue Strength, MPa 710 to 800
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 940 to 1070
320
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
500
Tensile Strength: Yield (Proof), MPa 1430 to 1700
260

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
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
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 48
19
Embodied Water, L/kg 120
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
97
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 57 to 65
18
Strength to Weight: Bending, points 39 to 43
18
Thermal Shock Resistance, points 56 to 64
16

Alloy Composition

Carbon (C), % 0 to 0.010
0.25 to 0.3
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
98.1 to 98.7
Manganese (Mn), % 0 to 0.5
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.3
Nickel (Ni), % 7.5 to 9.5
0
Niobium (Nb), % 0.1 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.2
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 1.0 to 1.4
0