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S41045 Stainless Steel vs. S32615 Stainless Steel

Both S41045 stainless steel and S32615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 66% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
28
Fatigue Strength, MPa 160
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 280
400
Tensile Strength: Ultimate (UTS), MPa 430
620
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 740
990
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
24
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.2
4.4
Embodied Energy, MJ/kg 31
63
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 12 to 13
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 83.8 to 88
46.4 to 57.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0.3 to 1.5
Nickel (Ni), % 0 to 0.5
19 to 22
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
4.8 to 6.0
Sulfur (S), % 0 to 0.030
0 to 0.030