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SAE-AISI A8 Steel vs. AWS E2595

Both SAE-AISI A8 steel and AWS E2595 are iron alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is AWS E2595.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
850

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
16
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
4.4
Embodied Energy, MJ/kg 31
61
Embodied Water, L/kg 73
190

Common Calculations

PREN (Pitting Resistance) 12
42
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 68
30
Strength to Weight: Bending, points 22 to 44
25
Thermal Diffusivity, mm2/s 9.9
4.2
Thermal Shock Resistance, points 22 to 62
21

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.040
Chromium (Cr), % 4.8 to 5.5
24 to 27
Copper (Cu), % 0 to 0.25
0.4 to 1.5
Iron (Fe), % 88.5 to 91.9
51.4 to 64.5
Manganese (Mn), % 0 to 0.5
0 to 2.5
Molybdenum (Mo), % 1.2 to 1.7
2.5 to 4.5
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.75 to 1.1
0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 1.0 to 1.5
0.4 to 1.0