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S45503 Stainless Steel vs. ACI-ASTM CA40 Steel

Both S45503 stainless steel and ACI-ASTM CA40 steel are iron alloys. They have 89% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S45503 stainless steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.6 to 6.8
10
Fatigue Strength, MPa 710 to 800
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
910
Tensile Strength: Yield (Proof), MPa 1430 to 1700
860

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 640
390
Maximum Temperature: Mechanical, °C 760
750
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.0
Embodied Energy, MJ/kg 48
28
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 13
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 57 to 65
33
Strength to Weight: Bending, points 39 to 43
27
Thermal Shock Resistance, points 56 to 64
33

Alloy Composition

Carbon (C), % 0 to 0.010
0.2 to 0.4
Chromium (Cr), % 11 to 12.5
11.5 to 14
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
81.5 to 88.3
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
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 0.040
Silicon (Si), % 0 to 0.2
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 1.0 to 1.4
0