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SAE-AISI A2 Steel vs. EN 1.3543 Stainless Steel

Both SAE-AISI A2 steel and EN 1.3543 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 24 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 SAE-AISI A2 steel and the bottom bar is EN 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
730

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 38
22
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 38
32
Embodied Water, L/kg 73
120

Common Calculations

PREN (Pitting Resistance) 8.9
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 73
27
Strength to Weight: Bending, points 23 to 46
24
Thermal Diffusivity, mm2/s 10
6.1
Thermal Shock Resistance, points 25 to 71
26

Alloy Composition

Carbon (C), % 1.0 to 1.1
1.0 to 1.2
Chromium (Cr), % 4.8 to 5.5
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.4 to 93.3
79.1 to 83.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0.4 to 0.8
Nickel (Ni), % 0 to 0.3
0
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