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AWS ERTi-7 vs. Grade CW2M Nickel

AWS ERTi-7 belongs to the titanium alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-7 and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 20
23
Fatigue Strength, MPa 190
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
83
Tensile Strength: Ultimate (UTS), MPa 340
560
Tensile Strength: Yield (Proof), MPa 280
310

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
960
Melting Completion (Liquidus), °C 1670
1520
Melting Onset (Solidus), °C 1620
1460
Specific Heat Capacity, J/kg-K 540
430
Thermal Expansion, µm/m-K 8.7
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 47
12
Embodied Energy, MJ/kg 800
170
Embodied Water, L/kg 470
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
110
Resilience: Unit (Modulus of Resilience), kJ/m3 360
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 26
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 0
15 to 17.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 2.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 0
60.1 to 70
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 0.030
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.417 to 99.8
0
Tungsten (W), % 0
0 to 1.0