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AWS E2595 vs. SAE-AISI O7 Steel

Both AWS E2595 and SAE-AISI O7 steel are iron alloys. They have 61% 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 AWS E2595 and the bottom bar is SAE-AISI O7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 850
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.4
2.3
Embodied Energy, MJ/kg 61
33
Embodied Water, L/kg 190
52

Common Calculations

PREN (Pitting Resistance) 42
3.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
24 to 74
Strength to Weight: Bending, points 25
22 to 46
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 21
23 to 70

Alloy Composition

Carbon (C), % 0 to 0.040
1.1 to 1.3
Chromium (Cr), % 24 to 27
0.35 to 0.85
Copper (Cu), % 0.4 to 1.5
0 to 0.25
Iron (Fe), % 51.4 to 64.5
92.9 to 97.6
Manganese (Mn), % 0 to 2.5
0 to 1.0
Molybdenum (Mo), % 2.5 to 4.5
0 to 0.3
Nickel (Ni), % 8.0 to 10.5
0 to 0.3
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.2
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.4 to 1.0
1.0 to 2.0
Vanadium (V), % 0
0 to 0.4