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S42035 Stainless Steel vs. AISI 321 Stainless Steel

Both S42035 stainless steel and AISI 321 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 S42035 stainless steel and the bottom bar is AISI 321 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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