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AISI 321 Stainless Steel vs. S42035 Stainless Steel

Both AISI 321 stainless steel and S42035 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 321 stainless steel and the bottom bar is S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 50
18
Fatigue Strength, MPa 220 to 270
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 460
390
Tensile Strength: Ultimate (UTS), MPa 590 to 690
630
Tensile Strength: Yield (Proof), MPa 220 to 350
430

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 480
470
Maximum Temperature: Mechanical, °C 870
810
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.4
Embodied Energy, MJ/kg 45
34
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 230
100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 310
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
22
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 4.1
7.2
Thermal Shock Resistance, points 13 to 15
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 19
13.5 to 15.5
Iron (Fe), % 65.3 to 74
78.1 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 9.0 to 12
1.0 to 2.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.7
0.3 to 0.5