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Nickel 625 vs. EN 1.4855 Stainless Steel

Nickel 625 belongs to the nickel alloys classification, while EN 1.4855 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33 to 34
4.6
Fatigue Strength, MPa 240 to 320
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 790 to 910
500
Tensile Strength: Yield (Proof), MPa 320 to 450
250

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 980
1050
Melting Completion (Liquidus), °C 1350
1400
Melting Onset (Solidus), °C 1290
1350
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 80
34
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
5.9
Embodied Energy, MJ/kg 190
85
Embodied Water, L/kg 290
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
19
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
18
Strength to Weight: Bending, points 22 to 24
18
Thermal Diffusivity, mm2/s 2.9
3.7
Thermal Shock Resistance, points 22 to 25
11

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.3 to 0.5
Chromium (Cr), % 20 to 23
23 to 25
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
42.6 to 51.9
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 58 to 68.9
23 to 25
Niobium (Nb), % 3.2 to 4.2
0.8 to 1.8
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0