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SAE-AISI A8 Steel vs. EN 1.4713 Stainless Steel

Both SAE-AISI A8 steel and EN 1.4713 stainless steel are iron alloys. They have a very high 96% 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 A8 steel and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
520

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 37
23
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
4.6
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.3
1.7
Embodied Energy, MJ/kg 31
24
Embodied Water, L/kg 73
84

Common Calculations

PREN (Pitting Resistance) 12
7.0
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 68
19
Strength to Weight: Bending, points 22 to 44
19
Thermal Diffusivity, mm2/s 9.9
6.2
Thermal Shock Resistance, points 22 to 62
18

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.0
Carbon (C), % 0.5 to 0.6
0 to 0.12
Chromium (Cr), % 4.8 to 5.5
6.0 to 8.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.5 to 91.9
88.8 to 93
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.2 to 1.7
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.75 to 1.1
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 1.0 to 1.5
0