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SAE-AISI 6150 Steel vs. EN 1.7230 Steel

Both SAE-AISI 6150 steel and EN 1.7230 steel are iron alloys. Their average alloy composition is basically identical. There are 30 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 SAE-AISI 6150 steel and the bottom bar is EN 1.7230 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
220 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
11 to 12
Fatigue Strength, MPa 300 to 750
320 to 460
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
720 to 910
Tensile Strength: Yield (Proof), MPa 420 to 1160
510 to 740

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
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 46
44
Thermal Expansion, µm/m-K 12 to 13
13

Electrical Properties

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

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
79 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
700 to 1460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 43
26 to 32
Strength to Weight: Bending, points 21 to 32
23 to 27
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 20 to 38
21 to 27

Alloy Composition

Carbon (C), % 0.48 to 0.53
0.3 to 0.37
Chromium (Cr), % 0.8 to 1.1
0.8 to 1.2
Iron (Fe), % 96.7 to 97.7
96.7 to 98.3
Manganese (Mn), % 0.7 to 0.9
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0.15 to 0.3
0