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AWS ERTi-12 vs. SAE-AISI H19 Steel

AWS ERTi-12 belongs to the titanium alloys classification, while SAE-AISI H19 steel belongs to the iron alloys. There are 21 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 AWS ERTi-12 and the bottom bar is SAE-AISI H19 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 41
75
Tensile Strength: Ultimate (UTS), MPa 480
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Melting Completion (Liquidus), °C 1670
1540
Melting Onset (Solidus), °C 1620
1490
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 21
29
Thermal Expansion, µm/m-K 8.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 31
7.5
Embodied Energy, MJ/kg 510
110
Embodied Water, L/kg 110
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 30
24 to 68
Strength to Weight: Bending, points 30
22 to 43
Thermal Diffusivity, mm2/s 8.7
7.9
Thermal Shock Resistance, points 37
21 to 59

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.45
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 0
4.0 to 4.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
81.4 to 85.5
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0.2 to 0.4
0.3 to 0.55
Nickel (Ni), % 0.060 to 0.090
0 to 0.3
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.147 to 99.66
0
Tungsten (W), % 0
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2