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SAE-AISI 51B60 Steel vs. S82012 Stainless Steel

Both SAE-AISI 51B60 steel and S82012 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 30 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 51B60 steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 21
40
Fatigue Strength, MPa 280 to 340
480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 390 to 420
550
Tensile Strength: Ultimate (UTS), MPa 660
800
Tensile Strength: Yield (Proof), MPa 400 to 550
560

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
950
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 19
35
Embodied Water, L/kg 49
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 800
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 19
23

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0 to 0.050
Chromium (Cr), % 0.7 to 0.9
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 97 to 97.8
71.3 to 77.9
Manganese (Mn), % 0.75 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.0050