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EN 1.4305 Stainless Steel vs. Nickel 685

EN 1.4305 stainless steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.4305 stainless steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
17
Fatigue Strength, MPa 190 to 330
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 550
770
Tensile Strength: Ultimate (UTS), MPa 610 to 900
1250
Tensile Strength: Yield (Proof), MPa 220 to 570
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 930
1000
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
75
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 42
140
Embodied Water, L/kg 140
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
1820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22 to 32
42
Strength to Weight: Bending, points 20 to 27
31
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 14 to 20
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.1
0.030 to 0.1
Chromium (Cr), % 17 to 19
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0 to 1.0
0 to 0.5
Iron (Fe), % 66.4 to 74.9
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 8.0 to 10
49.6 to 62.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12