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AWS ERTi-5 vs. ASTM A732 Cast Steel

AWS ERTi-5 belongs to the titanium alloys classification, while ASTM A732 cast steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-5 and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 10
4.0 to 25
Fatigue Strength, MPa 470
230 to 750
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72 to 73
Tensile Strength: Ultimate (UTS), MPa 900
460 to 1470
Tensile Strength: Yield (Proof), MPa 830
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 410
250 to 260
Maximum Temperature: Mechanical, °C 340
400 to 430
Melting Completion (Liquidus), °C 1610
1440 to 1460
Melting Onset (Solidus), °C 1560
1400 to 1420
Specific Heat Capacity, J/kg-K 560
470 to 480
Thermal Conductivity, W/m-K 7.1
39 to 50
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.0 to 3.8
Density, g/cm3 4.4
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 38
1.4 to 1.7
Embodied Energy, MJ/kg 610
19 to 24
Embodied Water, L/kg 200
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
260 to 4770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 56
16 to 52
Strength to Weight: Bending, points 46
17 to 37
Thermal Diffusivity, mm2/s 2.9
10 to 14
Thermal Shock Resistance, points 63
14 to 43