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S38815 Stainless Steel vs. S66286 Stainless Steel

Both S38815 stainless steel and S66286 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 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 S38815 stainless steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
17 to 40
Fatigue Strength, MPa 230
240 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75
Shear Strength, MPa 410
420 to 630
Tensile Strength: Ultimate (UTS), MPa 610
620 to 1020
Tensile Strength: Yield (Proof), MPa 290
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 400
780
Maximum Temperature: Mechanical, °C 860
920
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
26
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.8
6.0
Embodied Energy, MJ/kg 54
87
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 220
190 to 1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22 to 36
Strength to Weight: Bending, points 21
20 to 28
Thermal Shock Resistance, points 15
13 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.3
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 13 to 15
13.5 to 16
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
49.1 to 59.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
1.0 to 1.5
Nickel (Ni), % 13 to 17
24 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5