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SAE-AISI H43 Steel vs. AWS ERTi-7

SAE-AISI H43 steel belongs to the iron alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H43 steel and the bottom bar is AWS ERTi-7.

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
40
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
340

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Melting Completion (Liquidus), °C 1530
1670
Melting Onset (Solidus), °C 1480
1620
Specific Heat Capacity, J/kg-K 460
540
Thermal Conductivity, W/m-K 30
21
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 8.2
47
Embodied Energy, MJ/kg 120
800
Embodied Water, L/kg 100
470

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 25 to 75
21
Strength to Weight: Bending, points 22 to 46
24
Thermal Diffusivity, mm2/s 8.3
8.8
Thermal Shock Resistance, points 21 to 62
26

Alloy Composition

Carbon (C), % 0.5 to 0.65
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 83.2 to 85.9
0 to 0.12
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 7.8 to 8.5
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.417 to 99.8
Vanadium (V), % 1.8 to 2.2
0