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AISI 418 Stainless Steel vs. S32760 Stainless Steel

Both AISI 418 stainless steel and S32760 stainless steel are iron alloys. They have 78% 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 AISI 418 stainless steel and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 520
450
Poisson's Ratio 0.28
0.27
Reduction in Area, % 50
51
Shear Modulus, GPa 77
80
Shear Strength, MPa 680
550
Tensile Strength: Ultimate (UTS), MPa 1100
850
Tensile Strength: Yield (Proof), MPa 850
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1460
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.1
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
30
Strength to Weight: Bending, points 29
25
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 40
23

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 12 to 14
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 78.5 to 83.6
57.6 to 65.8
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 1.8 to 2.2
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 2.5 to 3.5
0.5 to 1.0