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SAE-AISI H22 Steel vs. AWS ERTi-12

SAE-AISI H22 steel belongs to the iron alloys classification, while AWS ERTi-12 belongs to the titanium 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 SAE-AISI H22 steel and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
480

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Melting Completion (Liquidus), °C 1670
1670
Melting Onset (Solidus), °C 1620
1620
Specific Heat Capacity, J/kg-K 440
540
Thermal Conductivity, W/m-K 31
21
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
37
Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 4.9
31
Embodied Energy, MJ/kg 73
510
Embodied Water, L/kg 72
110

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 22 to 61
30
Strength to Weight: Bending, points 20 to 39
30
Thermal Diffusivity, mm2/s 8.2
8.7
Thermal Shock Resistance, points 22 to 60
37

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 1.8 to 3.8
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 82.2 to 87.4
0 to 0.15
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.3
0.060 to 0.090
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.147 to 99.66
Tungsten (W), % 10 to 11.8
0
Vanadium (V), % 0.25 to 0.5
0