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SAE-AISI A2 Steel vs. AISI 410 Stainless Steel

Both SAE-AISI A2 steel and AISI 410 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is AISI 410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
520 to 770

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1410
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 38
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 38
27
Embodied Water, L/kg 73
100

Common Calculations

PREN (Pitting Resistance) 8.9
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 73
19 to 28
Strength to Weight: Bending, points 23 to 46
19 to 24
Thermal Diffusivity, mm2/s 10
8.1
Thermal Shock Resistance, points 25 to 71
18 to 26

Alloy Composition

Carbon (C), % 1.0 to 1.1
0.080 to 0.15
Chromium (Cr), % 4.8 to 5.5
11.5 to 13.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.4 to 93.3
83.5 to 88.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.75
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.5
0

Comparable Variants