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Nickel 908 vs. EN 1.6958 Steel

Nickel 908 belongs to the nickel alloys classification, while EN 1.6958 steel belongs to the iron alloys. They have 46% of their average alloy composition in common. There are 29 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 nickel 908 and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 450
700
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 800
700
Tensile Strength: Ultimate (UTS), MPa 1340
1140
Tensile Strength: Yield (Proof), MPa 930
1070

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
47
Thermal Expansion, µm/m-K 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 50
5.0
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 9.3
2.0
Embodied Energy, MJ/kg 140
27
Embodied Water, L/kg 170
60

Common Calculations

PREN (Pitting Resistance) 4.2
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
3050
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 45
40
Strength to Weight: Bending, points 33
31
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 61
39

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0.0050 to 0.050
Boron (B), % 0 to 0.012
0
Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 3.8 to 4.5
1.2 to 1.7
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 35.6 to 44.6
92.6 to 94.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 0
0.35 to 0.55
Nickel (Ni), % 47 to 51
3.3 to 3.8
Niobium (Nb), % 2.7 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.3
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 1.2 to 1.8
0
Vanadium (V), % 0
0 to 0.12