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AWS ERTi-7 vs. EN 1.0591 Cast Steel

AWS ERTi-7 belongs to the titanium alloys classification, while EN 1.0591 cast steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is EN 1.0591 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
19
Fatigue Strength, MPa 190
240
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 340
620
Tensile Strength: Yield (Proof), MPa 280
360

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 1670
1470
Melting Onset (Solidus), °C 1620
1430
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
53
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 47
1.4
Embodied Energy, MJ/kg 800
18
Embodied Water, L/kg 470
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
100
Resilience: Unit (Modulus of Resilience), kJ/m3 360
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 8.8
14
Thermal Shock Resistance, points 26
20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
99.935 to 100
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 0.035
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.417 to 99.8
0