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S41045 Stainless Steel vs. S32760 Stainless Steel

Both S41045 stainless steel and S32760 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
28
Fatigue Strength, MPa 160
450
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Shear Strength, MPa 280
550
Tensile Strength: Ultimate (UTS), MPa 430
850
Tensile Strength: Yield (Proof), MPa 230
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 29
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
4.1
Embodied Energy, MJ/kg 31
57
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 13
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
30
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 7.8
4.0
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 12 to 13
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 83.8 to 88
57.6 to 65.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
6.0 to 8.0
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.5 to 1.0