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S32001 Stainless Steel vs. S32750 Stainless Steel

Both S32001 stainless steel and S32750 stainless steel are iron alloys. Both are furnished in the annealed condition. 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 S32001 stainless steel and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
17
Fatigue Strength, MPa 370
360
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 22
28
Shear Modulus, GPa 78
81
Shear Strength, MPa 450
530
Tensile Strength: Ultimate (UTS), MPa 690
860
Tensile Strength: Yield (Proof), MPa 510
590

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 970
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 37
56
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 660
860
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 19
25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 21.5
24 to 26
Copper (Cu), % 0 to 1.0
0 to 0.5
Iron (Fe), % 66.6 to 75.5
58.1 to 66.8
Manganese (Mn), % 4.0 to 6.0
0 to 1.2
Molybdenum (Mo), % 0 to 0.6
3.0 to 5.0
Nickel (Ni), % 1.0 to 3.0
6.0 to 8.0
Nitrogen (N), % 0.050 to 0.17
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020