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S32750 Stainless Steel vs. S82011 Stainless Steel

Both S32750 stainless steel and S82011 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is S32750 stainless steel and the bottom bar is S82011 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 360
410
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 28
27
Shear Modulus, GPa 81
78
Shear Strength, MPa 530
490
Tensile Strength: Ultimate (UTS), MPa 860
730
Tensile Strength: Yield (Proof), MPa 590
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 43
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 860
660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
27
Strength to Weight: Bending, points 26
24
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 25
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
20.5 to 23.5
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 58.1 to 66.8
68.6 to 76.3
Manganese (Mn), % 0 to 1.2
2.0 to 3.0
Molybdenum (Mo), % 3.0 to 5.0
0.1 to 1.0
Nickel (Ni), % 6.0 to 8.0
1.0 to 2.0
Nitrogen (N), % 0.24 to 0.32
0.15 to 0.27
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020