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SAE-AISI A3 Steel vs. EN 1.4962 Stainless Steel

Both SAE-AISI A3 steel and EN 1.4962 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A3 steel and the bottom bar is EN 1.4962 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 73
77
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
630 to 690

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.4
4.1
Embodied Energy, MJ/kg 67
59
Embodied Water, L/kg 78
150

Common Calculations

PREN (Pitting Resistance) 8.9
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 77
21 to 24
Strength to Weight: Bending, points 23 to 48
20 to 21
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 23 to 70
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 1.2 to 1.3
0.070 to 0.15
Chromium (Cr), % 4.8 to 5.5
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.7 to 92
62.1 to 69
Manganese (Mn), % 0.4 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
12.5 to 14.5
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Vanadium (V), % 0.8 to 1.4
0