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SAE-AISI 50B60 Steel vs. EN 1.4618 Stainless Steel

Both SAE-AISI 50B60 steel and EN 1.4618 stainless steel are iron alloys. They have 69% 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 SAE-AISI 50B60 steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
51
Fatigue Strength, MPa 240 to 330
240 to 250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 380
480 to 500
Tensile Strength: Ultimate (UTS), MPa 610 to 630
680 to 700
Tensile Strength: Yield (Proof), MPa 350 to 530
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 100
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 750
160 to 170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 23
24 to 25
Strength to Weight: Bending, points 20 to 21
22 to 23
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 20
15 to 16

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0 to 0.1
Chromium (Cr), % 0.4 to 0.6
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 97.3 to 98.1
62.7 to 72.5
Manganese (Mn), % 0.75 to 1.0
5.5 to 9.5
Nickel (Ni), % 0
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.035
0 to 0.070
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010

Comparable Variants