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S30601 Stainless Steel vs. S32615 Stainless Steel

Both S30601 stainless steel and S32615 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is S30601 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 190
190
Elongation at Break, % 37
28
Fatigue Strength, MPa 250
180
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
46
Shear Modulus, GPa 75
75
Shear Strength, MPa 450
400
Tensile Strength: Ultimate (UTS), MPa 660
620
Tensile Strength: Yield (Proof), MPa 300
250

Thermal Properties

Latent Heat of Fusion, J/g 370
370
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 950
990
Melting Completion (Liquidus), °C 1360
1350
Melting Onset (Solidus), °C 1310
1310
Specific Heat Capacity, J/kg-K 500
500
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.6
7.6
Embodied Carbon, kg CO2/kg material 3.9
4.4
Embodied Energy, MJ/kg 55
63
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 17 to 18
16.5 to 19.5
Copper (Cu), % 0 to 0.35
1.5 to 2.5
Iron (Fe), % 56.9 to 60.5
46.4 to 57.9
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
0.3 to 1.5
Nickel (Ni), % 17 to 18
19 to 22
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 5.0 to 5.6
4.8 to 6.0
Sulfur (S), % 0 to 0.013
0 to 0.030