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S32202 Stainless Steel vs. AISI 304Cu Stainless Steel

Both S32202 stainless steel and AISI 304Cu stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% 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 S32202 stainless steel and the bottom bar is AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
45
Fatigue Strength, MPa 400
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 490
370
Tensile Strength: Ultimate (UTS), MPa 730
530
Tensile Strength: Yield (Proof), MPa 510
210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1030
930
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 37
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
190
Resilience: Unit (Modulus of Resilience), kJ/m3 650
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 21.5 to 24
17 to 19
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 69.4 to 77.3
63.9 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.45
0
Nickel (Ni), % 1.0 to 2.8
8.0 to 10
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030