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SAE-AISI A2 Steel vs. EN 1.4410 Stainless Steel

Both SAE-AISI A2 steel and EN 1.4410 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is EN 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
850

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 38
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.0
Embodied Energy, MJ/kg 38
56
Embodied Water, L/kg 73
180

Common Calculations

PREN (Pitting Resistance) 8.9
42
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 73
30
Strength to Weight: Bending, points 23 to 46
26
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 25 to 71
23

Alloy Composition

Carbon (C), % 1.0 to 1.1
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
24 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.4 to 93.3
58.1 to 66.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.4
3.0 to 4.5
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.15 to 0.5
0