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AISI 202 Stainless Steel vs. SAE-AISI 1008 Steel

Both AISI 202 stainless steel and SAE-AISI 1008 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 202 stainless steel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
22 to 33
Fatigue Strength, MPa 290 to 330
150 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 490 to 590
220 to 230
Tensile Strength: Ultimate (UTS), MPa 700 to 980
330 to 370
Tensile Strength: Yield (Proof), MPa 310 to 580
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
62
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
92 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 35
12 to 13
Strength to Weight: Bending, points 23 to 29
13 to 15
Thermal Diffusivity, mm2/s 4.0
17
Thermal Shock Resistance, points 15 to 21
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 63.5 to 71.5
99.31 to 99.7
Manganese (Mn), % 7.5 to 10
0.3 to 0.5
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050