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S39274 Stainless Steel vs. S32615 Stainless Steel

Both S39274 stainless steel and S32615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
28
Fatigue Strength, MPa 380
180
Poisson's Ratio 0.27
0.28
Reduction in Area, % 34
46
Shear Modulus, GPa 81
75
Shear Strength, MPa 560
400
Tensile Strength: Ultimate (UTS), MPa 900
620
Tensile Strength: Yield (Proof), MPa 620
250

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 4.3
4.4
Embodied Energy, MJ/kg 60
63
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 43
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 940
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 25
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 24 to 26
16.5 to 19.5
Copper (Cu), % 0.2 to 0.8
1.5 to 2.5
Iron (Fe), % 57 to 65.6
46.4 to 57.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0.3 to 1.5
Nickel (Ni), % 6.0 to 8.0
19 to 22
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.8
4.8 to 6.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0