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EN 1.7703 Steel vs. Nickel 625

EN 1.7703 steel belongs to the iron alloys classification, while nickel 625 belongs to the nickel 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 EN 1.7703 steel and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 460
980
Melting Completion (Liquidus), °C 1470
1350
Melting Onset (Solidus), °C 1430
1290
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
80
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 2.5
14
Embodied Energy, MJ/kg 35
190
Embodied Water, L/kg 61
290

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.11 to 0.15
0 to 0.1
Chromium (Cr), % 2.0 to 2.5
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 94.6 to 96.4
0 to 5.0
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
8.0 to 10
Nickel (Ni), % 0 to 0.25
58 to 68.9
Niobium (Nb), % 0 to 0.070
3.2 to 4.2
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 0.015
Titanium (Ti), % 0 to 0.030
0 to 0.4
Vanadium (V), % 0.25 to 0.35
0