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EN 1.4905 Stainless Steel vs. Nickel 685

EN 1.4905 stainless steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 28 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 EN 1.4905 stainless steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
17
Fatigue Strength, MPa 330
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
77
Shear Strength, MPa 460
770
Tensile Strength: Ultimate (UTS), MPa 740
1250
Tensile Strength: Yield (Proof), MPa 510
850

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 660
1000
Melting Completion (Liquidus), °C 1480
1380
Melting Onset (Solidus), °C 1440
1330
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 26
13
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 2.8
10
Embodied Energy, MJ/kg 40
140
Embodied Water, L/kg 90
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 680
1820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
42
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 7.0
3.3
Thermal Shock Resistance, points 25
37

Alloy Composition

Aluminum (Al), % 0 to 0.040
1.2 to 1.6
Boron (B), % 0.00050 to 0.0050
0.0030 to 0.010
Carbon (C), % 0.090 to 0.13
0.030 to 0.1
Chromium (Cr), % 8.5 to 9.5
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 86.2 to 88.8
0 to 2.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
3.5 to 5.0
Nickel (Ni), % 0.1 to 0.4
49.6 to 62.5
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
0.020 to 0.12