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AISI 308 Stainless Steel vs. SAE-AISI 1132 Steel

Both AISI 308 stainless steel and SAE-AISI 1132 steel are iron alloys. They have 69% 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 308 stainless steel and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
14 to 18
Fatigue Strength, MPa 210
240 to 380
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
39 to 46
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
400 to 440
Tensile Strength: Ultimate (UTS), MPa 590
640 to 720
Tensile Strength: Yield (Proof), MPa 230
350 to 590

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
400
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
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 140
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23 to 25
Strength to Weight: Bending, points 20
21 to 23
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 13
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.080
0.24 to 0.34
Chromium (Cr), % 19 to 21
0
Iron (Fe), % 64.1 to 71
97.8 to 98.3
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Nickel (Ni), % 10 to 12
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13