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AISI 418 Stainless Steel vs. S36200 Stainless Steel

Both AISI 418 stainless steel and S36200 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 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 AISI 418 stainless steel and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
3.4 to 4.6
Fatigue Strength, MPa 520
450 to 570
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 680
680 to 810
Tensile Strength: Ultimate (UTS), MPa 1100
1180 to 1410
Tensile Strength: Yield (Proof), MPa 850
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
530
Maximum Temperature: Mechanical, °C 770
820
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1460
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 41
40
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 19
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
2380 to 3930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 38
42 to 50
Strength to Weight: Bending, points 29
32 to 36
Thermal Diffusivity, mm2/s 6.7
4.3
Thermal Shock Resistance, points 40
40 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 12 to 14
14 to 14.5
Iron (Fe), % 78.5 to 83.6
75.4 to 79.5
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.3
Nickel (Ni), % 1.8 to 2.2
6.5 to 7.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 0.9
Tungsten (W), % 2.5 to 3.5
0