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AISI 308 Stainless Steel vs. ASTM A182 Grade F11 Class 2

Both AISI 308 stainless steel and ASTM A182 grade F11 class 2 are iron alloys. Both are furnished in the annealed condition. They have 70% of their average alloy composition in common. There are 33 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 308 stainless steel and the bottom bar is ASTM A182 grade F11 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
22
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
34
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
340
Tensile Strength: Ultimate (UTS), MPa 590
540
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 990
430
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.6
Embodied Energy, MJ/kg 46
21
Embodied Water, L/kg 150
53

Common Calculations

PREN (Pitting Resistance) 20
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.1 to 0.2
Chromium (Cr), % 19 to 21
1.0 to 1.5
Iron (Fe), % 64.1 to 71
95.8 to 97.7
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 10 to 12
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040