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AWS ERTi-2 vs. EN 1.0070 Steel

AWS ERTi-2 belongs to the titanium alloys classification, while EN 1.0070 steel belongs to the iron 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 AWS ERTi-2 and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
9.1
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 340
740
Tensile Strength: Yield (Proof), MPa 280
350

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
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.7
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
18
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
56
Resilience: Unit (Modulus of Resilience), kJ/m3 360
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 8.7
14
Thermal Shock Resistance, points 27
23

Alloy Composition

Carbon (C), % 0 to 0.030
0
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
99.876 to 100
Nitrogen (N), % 0 to 0.015
0 to 0.014
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0 to 0.055
Sulfur (S), % 0
0 to 0.055
Titanium (Ti), % 99.667 to 99.92
0