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Nickel 685 vs. EN 1.1170 Steel

Nickel 685 belongs to the nickel alloys classification, while EN 1.1170 steel belongs to the iron alloys. There are 29 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 685 and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
16 to 17
Fatigue Strength, MPa 470
220 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 770
390 to 450
Tensile Strength: Ultimate (UTS), MPa 1250
640 to 730
Tensile Strength: Yield (Proof), MPa 850
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
50
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.1
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 340
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
290 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
23 to 26
Strength to Weight: Bending, points 31
21 to 23
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 37
20 to 23

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0.25 to 0.32
Chromium (Cr), % 18 to 21
0 to 0.4
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
96.7 to 98.5
Manganese (Mn), % 0 to 1.0
1.3 to 1.7
Molybdenum (Mo), % 3.5 to 5.0
0 to 0.1
Nickel (Ni), % 49.6 to 62.5
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0