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Nickel 625 vs. EN 1.3975 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.3975 stainless steel belongs to the iron alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
27
Fatigue Strength, MPa 240 to 320
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 790 to 910
660
Tensile Strength: Yield (Proof), MPa 320 to 450
320

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 980
910
Melting Completion (Liquidus), °C 1350
1360
Melting Onset (Solidus), °C 1290
1320
Specific Heat Capacity, J/kg-K 440
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 80
15
Density, g/cm3 8.6
7.5
Embodied Carbon, kg CO2/kg material 14
3.3
Embodied Energy, MJ/kg 190
47
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
150
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 26 to 29
24
Strength to Weight: Bending, points 22 to 24
22
Thermal Shock Resistance, points 22 to 25
15

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 20 to 23
16 to 18
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
58.2 to 65.4
Manganese (Mn), % 0 to 0.5
7.0 to 9.0
Molybdenum (Mo), % 8.0 to 10
0 to 1.0
Nickel (Ni), % 58 to 68.9
8.0 to 9.0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0