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S38815 Stainless Steel vs. S45503 Stainless Steel

Both S38815 stainless steel and S45503 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
4.6 to 6.8
Fatigue Strength, MPa 230
710 to 800
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Shear Strength, MPa 410
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 610
1610 to 1850
Tensile Strength: Yield (Proof), MPa 290
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Maximum Temperature: Corrosion, °C 400
640
Maximum Temperature: Mechanical, °C 860
760
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.8
3.4
Embodied Energy, MJ/kg 54
48
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
57 to 65
Strength to Weight: Bending, points 21
39 to 43
Thermal Shock Resistance, points 15
56 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 13 to 15
11 to 12.5
Copper (Cu), % 0.75 to 1.5
1.5 to 2.5
Iron (Fe), % 56.1 to 67
72.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.5
Nickel (Ni), % 13 to 17
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 5.5 to 6.5
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4