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AWS ERTi-7 vs. SAE-AISI P6 Steel

AWS ERTi-7 belongs to the titanium alloys classification, while SAE-AISI P6 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is SAE-AISI P6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 340
630 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Melting Completion (Liquidus), °C 1670
1460
Melting Onset (Solidus), °C 1620
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
43
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
9.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
1.8
Embodied Energy, MJ/kg 800
24
Embodied Water, L/kg 470
59

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
22 to 68
Strength to Weight: Bending, points 24
21 to 44
Thermal Diffusivity, mm2/s 8.8
11
Thermal Shock Resistance, points 26
21 to 63

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 0
1.3 to 1.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
92.9 to 95
Manganese (Mn), % 0
0.35 to 0.7
Nickel (Ni), % 0
3.3 to 3.8
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.1 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.417 to 99.8
0