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EN 1.7703 Steel vs. Nickel 908

EN 1.7703 steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 43% of their average alloy composition in common. There are 29 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 EN 1.7703 steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 20
11
Fatigue Strength, MPa 320 to 340
450
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
70
Shear Strength, MPa 420 to 430
800
Tensile Strength: Ultimate (UTS), MPa 670 to 690
1340
Tensile Strength: Yield (Proof), MPa 460 to 500
930

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 460
920
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
50
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.5
9.3
Embodied Energy, MJ/kg 35
140
Embodied Water, L/kg 61
170

Common Calculations

PREN (Pitting Resistance) 5.6
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
2340
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24
45
Strength to Weight: Bending, points 22
33
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 19 to 20
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0.11 to 0.15
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 94.6 to 96.4
35.6 to 44.6
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
47 to 51
Niobium (Nb), % 0 to 0.070
2.7 to 3.3
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.0050
Titanium (Ti), % 0 to 0.030
1.2 to 1.8
Vanadium (V), % 0.25 to 0.35
0