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ASTM A204 Steel vs. AWS ERTi-1

ASTM A204 steel belongs to the iron alloys classification, while AWS ERTi-1 belongs to the titanium alloys. There are 29 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 ASTM A204 steel and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 22
24
Fatigue Strength, MPa 200 to 220
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 520 to 590
240
Tensile Strength: Yield (Proof), MPa 290 to 330
170

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 410
320
Melting Completion (Liquidus), °C 1470
1670
Melting Onset (Solidus), °C 1420 to 1430
1620
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 1.5
31
Embodied Energy, MJ/kg 20
510
Embodied Water, L/kg 47
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
52
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 18 to 21
15
Strength to Weight: Bending, points 18 to 20
19
Thermal Diffusivity, mm2/s 14
8.7
Thermal Shock Resistance, points 15 to 17
19