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AISI 202 Stainless Steel vs. SAE-AISI 6118 Steel

Both AISI 202 stainless steel and SAE-AISI 6118 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 202 stainless steel and the bottom bar is SAE-AISI 6118 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
23
Fatigue Strength, MPa 290 to 330
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 490 to 590
300
Tensile Strength: Ultimate (UTS), MPa 700 to 980
470
Tensile Strength: Yield (Proof), MPa 310 to 580
290

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 40
23
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
93
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 35
17
Strength to Weight: Bending, points 23 to 29
17
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 15 to 21
14

Alloy Composition

Carbon (C), % 0 to 0.15
0.16 to 0.21
Chromium (Cr), % 17 to 19
0.5 to 0.7
Iron (Fe), % 63.5 to 71.5
97.8 to 98.6
Manganese (Mn), % 7.5 to 10
0.5 to 0.7
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0
0.1 to 0.15