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S38100 Stainless Steel vs. S32615 Stainless Steel

Both S38100 stainless steel and S32615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% 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 S38100 stainless steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
28
Fatigue Strength, MPa 210
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 400
400
Tensile Strength: Ultimate (UTS), MPa 580
620
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 970
990
Melting Completion (Liquidus), °C 1400
1350
Melting Onset (Solidus), °C 1350
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.8
4.4
Embodied Energy, MJ/kg 54
63
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
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 21
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 17 to 19
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 57.9 to 64
46.4 to 57.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0.3 to 1.5
Nickel (Ni), % 17.5 to 18.5
19 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 1.5 to 2.5
4.8 to 6.0
Sulfur (S), % 0 to 0.030
0 to 0.030