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AISI 321H Stainless Steel vs. Nickel 601

AISI 321H stainless steel belongs to the iron alloys classification, while nickel 601 belongs to the nickel alloys. They have 43% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 321H stainless steel and the bottom bar is nickel 601.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
10 to 38
Fatigue Strength, MPa 200
220 to 380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 400
440 to 530
Tensile Strength: Ultimate (UTS), MPa 580
660 to 890
Tensile Strength: Yield (Proof), MPa 230
290 to 800

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
49
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 3.2
8.0
Embodied Energy, MJ/kg 46
110
Embodied Water, L/kg 140
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
86 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 140
210 to 1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
22 to 30
Strength to Weight: Bending, points 20
20 to 25
Thermal Diffusivity, mm2/s 4.0
2.8
Thermal Shock Resistance, points 12
17 to 23

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Carbon (C), % 0.040 to 0.1
0 to 0.1
Chromium (Cr), % 17 to 19
21 to 25
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 65.4 to 74
7.7 to 20
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 12
58 to 63
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.7
0