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AISI 434 Stainless Steel vs. Nickel 825

AISI 434 stainless steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel alloys. They have 49% of their average alloy composition in common. There are 31 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 AISI 434 stainless steel and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
34
Fatigue Strength, MPa 220
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 330
430
Tensile Strength: Ultimate (UTS), MPa 520
650
Tensile Strength: Yield (Proof), MPa 320
260

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Mechanical, °C 880
980
Melting Completion (Liquidus), °C 1510
1400
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
41
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.4
7.2
Embodied Energy, MJ/kg 33
100
Embodied Water, L/kg 120
230

Common Calculations

PREN (Pitting Resistance) 20
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 260
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 6.7
2.9
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 16 to 18
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 78.6 to 83.3
22 to 37.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.3
2.5 to 3.5
Nickel (Ni), % 0
38 to 46
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2