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EN 1.4303 Stainless Steel vs. Nickel 689

EN 1.4303 stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. They have a modest 33% 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4303 stainless steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
350
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 13 to 49
23
Fatigue Strength, MPa 220 to 320
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Shear Strength, MPa 420 to 540
790
Tensile Strength: Ultimate (UTS), MPa 590 to 900
1250
Tensile Strength: Yield (Proof), MPa 230 to 560
690

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
70
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.2
11
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 32
41
Strength to Weight: Bending, points 20 to 26
30
Thermal Shock Resistance, points 13 to 20
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.060
0.1 to 0.2
Chromium (Cr), % 17 to 19
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 64.8 to 72
0 to 5.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 11 to 13
48.3 to 60.9
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
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
2.3 to 2.8