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SAE-AISI 50B60 Steel vs. EN 1.4859 Stainless Steel

Both SAE-AISI 50B60 steel and EN 1.4859 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 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 SAE-AISI 50B60 steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
23
Fatigue Strength, MPa 240 to 330
140
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 610 to 630
490
Tensile Strength: Yield (Proof), MPa 350 to 530
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1050
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 19
88
Embodied Water, L/kg 48
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 100
91
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 750
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 23
17
Strength to Weight: Bending, points 20 to 21
17
Thermal Diffusivity, mm2/s 12
3.4
Thermal Shock Resistance, points 20
11

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0.050 to 0.15
Chromium (Cr), % 0.4 to 0.6
19 to 21
Iron (Fe), % 97.3 to 98.1
40.3 to 49
Manganese (Mn), % 0.75 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0.5 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030