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S32750 Stainless Steel vs. AISI 415 Stainless Steel

Both S32750 stainless steel and AISI 415 stainless steel are iron alloys. They have 81% 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 S32750 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
260
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
17
Fatigue Strength, MPa 360
430
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
28
Shear Modulus, GPa 81
76
Shear Strength, MPa 530
550
Tensile Strength: Ultimate (UTS), MPa 860
900
Tensile Strength: Yield (Proof), MPa 590
700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
11
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.5
Embodied Energy, MJ/kg 56
35
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 43
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 860
1250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
32
Strength to Weight: Bending, points 26
26
Thermal Diffusivity, mm2/s 4.0
6.4
Thermal Shock Resistance, points 25
33

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 24 to 26
11.5 to 14
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.1 to 66.8
77.8 to 84
Manganese (Mn), % 0 to 1.2
0.5 to 1.0
Molybdenum (Mo), % 3.0 to 5.0
0.5 to 1.0
Nickel (Ni), % 6.0 to 8.0
3.5 to 5.5
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030