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Nickel 690 vs. AWS ER70S-A1

Nickel 690 belongs to the nickel alloys classification, while AWS ER70S-A1 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is AWS ER70S-A1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4 to 34
22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 640 to 990
590
Tensile Strength: Yield (Proof), MPa 250 to 760
450

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
50
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 50
2.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.5
Embodied Energy, MJ/kg 120
20
Embodied Water, L/kg 290
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
540
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 33
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 16 to 25
17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.12
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0 to 0.35
Iron (Fe), % 7.0 to 11
96.1 to 99.3
Manganese (Mn), % 0 to 0.5
0 to 1.3
Molybdenum (Mo), % 0
0.4 to 0.65
Nickel (Ni), % 58 to 66
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.5
0.3 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.025
Residuals, % 0
0 to 0.5