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SAE-AISI 1132 Steel vs. SAE-AISI 1345 Steel

Both SAE-AISI 1132 steel and SAE-AISI 1345 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1132 steel and the bottom bar is SAE-AISI 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
11 to 23
Fatigue Strength, MPa 240 to 380
230 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 400 to 440
370 to 440
Tensile Strength: Ultimate (UTS), MPa 640 to 720
590 to 730
Tensile Strength: Yield (Proof), MPa 350 to 590
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 940
290 to 1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 25
21 to 26
Strength to Weight: Bending, points 21 to 23
20 to 23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 19 to 22
19 to 23

Alloy Composition

Carbon (C), % 0.24 to 0.34
0.43 to 0.48
Iron (Fe), % 97.8 to 98.3
97.2 to 97.8
Manganese (Mn), % 1.4 to 1.7
1.6 to 1.9
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0.080 to 0.13
0 to 0.040

Comparable Variants