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SAE-AISI 50B50 Steel vs. SAE-AISI 1213 Steel

Both SAE-AISI 50B50 steel and SAE-AISI 1213 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 50B50 steel and the bottom bar is SAE-AISI 1213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11 to 29
Fatigue Strength, MPa 260
200 to 290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370
290 to 360
Tensile Strength: Ultimate (UTS), MPa 590
440 to 600
Tensile Strength: Yield (Proof), MPa 370
260 to 470

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
63 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 370
180 to 580
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
16 to 21
Strength to Weight: Bending, points 20
17 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 17
14 to 19

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.48 to 0.53
0 to 0.13
Chromium (Cr), % 0.4 to 0.6
0
Iron (Fe), % 97.4 to 98.2
98.4 to 99
Manganese (Mn), % 0.75 to 1.0
0.7 to 1.0
Phosphorus (P), % 0 to 0.035
0.070 to 0.12
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0.24 to 0.33