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AWS ERTi-7 vs. ASTM A202 Steel

AWS ERTi-7 belongs to the titanium alloys classification, while ASTM A202 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
17 to 18
Fatigue Strength, MPa 190
240
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 340
590 to 670
Tensile Strength: Yield (Proof), MPa 280
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 420
260
Maximum Temperature: Mechanical, °C 320
410
Melting Completion (Liquidus), °C 1670
1450
Melting Onset (Solidus), °C 1620
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
52
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.4

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 47
1.4
Embodied Energy, MJ/kg 800
19
Embodied Water, L/kg 470
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 360
330 to 350
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
21 to 24
Strength to Weight: Bending, points 24
20 to 22
Thermal Diffusivity, mm2/s 8.8
14
Thermal Shock Resistance, points 26
17 to 20