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Nickel 690 vs. AISI 302 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while AISI 302 stainless steel belongs to the iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.4 to 34
4.5 to 46
Fatigue Strength, MPa 180 to 300
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 570
400 to 830
Tensile Strength: Ultimate (UTS), MPa 640 to 990
580 to 1430
Tensile Strength: Yield (Proof), MPa 250 to 760
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1010
710
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 50
15
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 120
42
Embodied Water, L/kg 290
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
140 to 3070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 33
21 to 51
Strength to Weight: Bending, points 20 to 27
20 to 36
Thermal Diffusivity, mm2/s 3.5
4.4
Thermal Shock Resistance, points 16 to 25
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 27 to 31
17 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
67.9 to 75
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 58 to 66
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants