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S32654 Stainless Steel vs. S30815 Stainless Steel

Both S32654 stainless steel and S30815 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 450
320
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
56
Shear Modulus, GPa 82
77
Shear Strength, MPa 590
480
Tensile Strength: Ultimate (UTS), MPa 850
680
Tensile Strength: Yield (Proof), MPa 490
350

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
3.3
Embodied Energy, MJ/kg 87
47
Embodied Water, L/kg 220
160

Common Calculations

PREN (Pitting Resistance) 57
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
260
Resilience: Unit (Modulus of Resilience), kJ/m3 570
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 24 to 25
20 to 22
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
62.8 to 68.4
Manganese (Mn), % 2.0 to 4.0
0 to 0.8
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
10 to 12
Nitrogen (N), % 0.45 to 0.55
0.14 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
1.4 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.030