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S34565 Stainless Steel vs. SAE-AISI 1144 Steel

Both S34565 stainless steel and SAE-AISI 1144 steel are iron alloys. They have 49% 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 S34565 stainless steel and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
11 to 17
Fatigue Strength, MPa 400
280 to 430
Poisson's Ratio 0.28
0.29
Reduction in Area, % 45
34 to 40
Shear Modulus, GPa 80
72
Shear Strength, MPa 610
460 to 510
Tensile Strength: Ultimate (UTS), MPa 900
750 to 840
Tensile Strength: Yield (Proof), MPa 470
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 28
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
1.4
Embodied Energy, MJ/kg 73
19
Embodied Water, L/kg 210
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 540
480 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
27 to 30
Strength to Weight: Bending, points 26
23 to 25
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 22
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.48
Chromium (Cr), % 23 to 25
0
Iron (Fe), % 43.2 to 51.6
97.5 to 98
Manganese (Mn), % 5.0 to 7.0
1.4 to 1.7
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 18
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0.24 to 0.33