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Nickel 685 vs. EN 1.7380 Steel

Nickel 685 belongs to the nickel alloys classification, while EN 1.7380 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
19 to 20
Fatigue Strength, MPa 470
200 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 770
330 to 350
Tensile Strength: Ultimate (UTS), MPa 1250
540 to 550
Tensile Strength: Yield (Proof), MPa 850
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1000
460
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1330
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.8
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 10
1.8
Embodied Energy, MJ/kg 140
23
Embodied Water, L/kg 340
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
230 to 280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
19 to 20
Strength to Weight: Bending, points 31
19
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 37
15 to 16

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
0.080 to 0.14
Chromium (Cr), % 18 to 21
2.0 to 2.5
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 0 to 2.0
94.6 to 96.6
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 3.5 to 5.0
0.9 to 1.1
Nickel (Ni), % 49.6 to 62.5
0
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0