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AISI 415 Stainless Steel vs. S42300 Stainless Steel

Both AISI 415 stainless steel and S42300 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 415 stainless steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
9.1
Fatigue Strength, MPa 430
440
Poisson's Ratio 0.28
0.28
Reduction in Area, % 50
22
Shear Modulus, GPa 76
77
Shear Strength, MPa 550
650
Tensile Strength: Ultimate (UTS), MPa 900
1100
Tensile Strength: Yield (Proof), MPa 700
850

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 780
750
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.2
Embodied Energy, MJ/kg 35
44
Embodied Water, L/kg 110
110

Common Calculations

PREN (Pitting Resistance) 15
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
39
Strength to Weight: Bending, points 26
30
Thermal Diffusivity, mm2/s 6.4
6.8
Thermal Shock Resistance, points 33
40

Alloy Composition

Carbon (C), % 0 to 0.050
0.27 to 0.32
Chromium (Cr), % 11.5 to 14
11 to 12
Iron (Fe), % 77.8 to 84
82 to 85.1
Manganese (Mn), % 0.5 to 1.0
1.0 to 1.4
Molybdenum (Mo), % 0.5 to 1.0
2.5 to 3.0
Nickel (Ni), % 3.5 to 5.5
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3