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AISI 304N Stainless Steel vs. SAE-AISI 50B46 Steel

Both AISI 304N stainless steel and SAE-AISI 50B46 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 (2, in this case) are not shown.

For each property being compared, the top bar is AISI 304N stainless steel and the bottom bar is SAE-AISI 50B46 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 360
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1 to 45
21
Fatigue Strength, MPa 220 to 440
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 420 to 700
340
Tensile Strength: Ultimate (UTS), MPa 620 to 1180
540
Tensile Strength: Yield (Proof), MPa 270 to 850
310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 280
99
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1830
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 42
19
Strength to Weight: Bending, points 21 to 32
19
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 14 to 26
16

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.080
0.44 to 0.49
Chromium (Cr), % 18 to 20
0.2 to 0.35
Iron (Fe), % 66.4 to 73.9
97.7 to 98.5
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040