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S44725 Stainless Steel vs. SAE-AISI 51B60 Steel

Both S44725 stainless steel and SAE-AISI 51B60 steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 S44725 stainless steel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
12 to 21
Fatigue Strength, MPa 210
280 to 340
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 320
390 to 420
Tensile Strength: Ultimate (UTS), MPa 500
660
Tensile Strength: Yield (Proof), MPa 310
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
43
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 170
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
420 to 800
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 16
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.015
0.56 to 0.64
Chromium (Cr), % 25 to 28.5
0.7 to 0.9
Iron (Fe), % 67.6 to 73.5
97 to 97.8
Manganese (Mn), % 0 to 0.4
0.75 to 1.0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0 to 0.26
0
Nitrogen (N), % 0 to 0.018
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.040
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.26
0