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S46910 Stainless Steel vs. ACI-ASTM CA40 Steel

Both S46910 stainless steel and ACI-ASTM CA40 steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S46910 stainless steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 630
310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.2 to 11
10
Fatigue Strength, MPa 250 to 1020
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
910
Tensile Strength: Yield (Proof), MPa 450 to 2290
860

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 540
390
Maximum Temperature: Mechanical, °C 810
750
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 18
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.0
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 25
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 130
89
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 4780
1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 86
33
Strength to Weight: Bending, points 22 to 51
27
Thermal Shock Resistance, points 23 to 84
33

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
0
Carbon (C), % 0 to 0.030
0.2 to 0.4
Chromium (Cr), % 11 to 13
11.5 to 14
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 65 to 76
81.5 to 88.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 5.0
0 to 0.5
Nickel (Ni), % 8.0 to 10
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.5 to 1.2
0