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AWS E2595 vs. SAE-AISI 9255 Steel

Both AWS E2595 and SAE-AISI 9255 steel are iron alloys. They have 59% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E2595 and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
21
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 850
680

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 61
20
Embodied Water, L/kg 190
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.040
0.51 to 0.59
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 0.4 to 1.5
0
Iron (Fe), % 51.4 to 64.5
96.2 to 97
Manganese (Mn), % 0 to 2.5
0.7 to 1.0
Molybdenum (Mo), % 2.5 to 4.5
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.2
1.8 to 2.2
Sulfur (S), % 0 to 0.025
0 to 0.040
Tungsten (W), % 0.4 to 1.0
0