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SAE-AISI 1132 Steel vs. S32803 Stainless Steel

Both SAE-AISI 1132 steel and S32803 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1132 steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
210
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 14 to 18
18
Fatigue Strength, MPa 240 to 380
350
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 400 to 440
420
Tensile Strength: Ultimate (UTS), MPa 640 to 720
680
Tensile Strength: Yield (Proof), MPa 350 to 590
560

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 48
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
120
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 940
760
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 25
25
Strength to Weight: Bending, points 21 to 23
22
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 19 to 22
22

Alloy Composition

Carbon (C), % 0.24 to 0.34
0 to 0.015
Chromium (Cr), % 0
28 to 29
Iron (Fe), % 97.8 to 98.3
62.9 to 67.1
Manganese (Mn), % 1.4 to 1.7
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.55
Sulfur (S), % 0.080 to 0.13
0 to 0.0035