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ACI-ASTM CA40 Steel vs. AISI 410 Stainless Steel

Both ACI-ASTM CA40 steel and AISI 410 stainless steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is AISI 410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
16 to 22
Fatigue Strength, MPa 460
190 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 910
520 to 770
Tensile Strength: Yield (Proof), MPa 860
290 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
710
Melting Completion (Liquidus), °C 1440
1530
Melting Onset (Solidus), °C 1500
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 28
27
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 14
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
97 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
210 to 860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
19 to 28
Strength to Weight: Bending, points 27
19 to 24
Thermal Diffusivity, mm2/s 6.7
8.1
Thermal Shock Resistance, points 33
18 to 26

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.080 to 0.15
Chromium (Cr), % 11.5 to 14
11.5 to 13.5
Iron (Fe), % 81.5 to 88.3
83.5 to 88.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030