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S42300 Stainless Steel vs. S38815 Stainless Steel

Both S42300 stainless steel and S38815 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S42300 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
34
Fatigue Strength, MPa 440
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 650
410
Tensile Strength: Ultimate (UTS), MPa 1100
610
Tensile Strength: Yield (Proof), MPa 850
290

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Maximum Temperature: Corrosion, °C 380
400
Maximum Temperature: Mechanical, °C 750
860
Melting Completion (Liquidus), °C 1470
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.2
3.8
Embodied Energy, MJ/kg 44
54
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 21
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 39
22
Strength to Weight: Bending, points 30
21
Thermal Shock Resistance, points 40
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.27 to 0.32
0 to 0.030
Chromium (Cr), % 11 to 12
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 82 to 85.1
56.1 to 67
Manganese (Mn), % 1.0 to 1.4
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
0.75 to 1.5
Nickel (Ni), % 0 to 0.5
13 to 17
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
5.5 to 6.5
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.2 to 0.3
0