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EN 1.4736 Stainless Steel vs. Nickel 689

EN 1.4736 stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.4736 stainless steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
350
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 28
23
Fatigue Strength, MPa 230
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Shear Strength, MPa 370
790
Tensile Strength: Ultimate (UTS), MPa 580
1250
Tensile Strength: Yield (Proof), MPa 310
690

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 1000
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 490
450
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
70
Density, g/cm3 7.6
8.5
Embodied Carbon, kg CO2/kg material 2.4
11
Embodied Energy, MJ/kg 35
150
Embodied Water, L/kg 140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
41
Strength to Weight: Bending, points 20
30
Thermal Shock Resistance, points 21
35

Alloy Composition

Aluminum (Al), % 1.7 to 2.1
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.040
0.1 to 0.2
Chromium (Cr), % 17 to 18
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 77 to 81.1
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.2 to 0.8
2.3 to 2.8