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Nickel 625 vs. EN 1.7767 Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.7767 steel belongs to the iron alloys. There are 30 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 625 and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
20
Fatigue Strength, MPa 240 to 320
320 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
74
Shear Strength, MPa 530 to 600
420 to 430
Tensile Strength: Ultimate (UTS), MPa 790 to 910
670 to 690
Tensile Strength: Yield (Proof), MPa 320 to 450
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
480
Melting Completion (Liquidus), °C 1350
1470
Melting Onset (Solidus), °C 1290
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
4.5
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
2.4
Embodied Energy, MJ/kg 190
33
Embodied Water, L/kg 290
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
570 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
24
Strength to Weight: Bending, points 22 to 24
22
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 22 to 25
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.1 to 0.15
Chromium (Cr), % 20 to 23
2.8 to 3.3
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
93.8 to 95.8
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 8.0 to 10
0.9 to 1.1
Nickel (Ni), % 58 to 68.9
0 to 0.25
Niobium (Nb), % 3.2 to 4.2
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.15
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0 to 0.4
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3