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SAE-AISI 6150 Steel vs. SAE-AISI 52100 Steel

Both SAE-AISI 6150 steel and SAE-AISI 52100 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 6150 steel and the bottom bar is SAE-AISI 52100 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
10 to 20
Fatigue Strength, MPa 300 to 750
250 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 400 to 730
370 to 420
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
590 to 2010
Tensile Strength: Yield (Proof), MPa 420 to 1160
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
47
Thermal Expansion, µm/m-K 12 to 13
12 to 13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
20
Embodied Water, L/kg 51
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
54 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
350 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 43
21 to 72
Strength to Weight: Bending, points 21 to 32
20 to 45
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 20 to 38
19 to 61

Alloy Composition

Carbon (C), % 0.48 to 0.53
0.93 to 1.1
Chromium (Cr), % 0.8 to 1.1
1.4 to 1.6
Iron (Fe), % 96.7 to 97.7
96.5 to 97.3
Manganese (Mn), % 0.7 to 0.9
0.25 to 0.45
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0.15 to 0.3
0

Comparable Variants