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SAE-AISI 6150 Steel vs. EN 1.7779 Steel

Both SAE-AISI 6150 steel and EN 1.7779 steel are iron alloys. They have a very high 97% 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 SAE-AISI 6150 steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
16
Fatigue Strength, MPa 300 to 750
430
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 400 to 730
500
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
810
Tensile Strength: Yield (Proof), MPa 420 to 1160
660

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
470
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
39
Thermal Expansion, µm/m-K 12 to 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
41
Embodied Water, L/kg 51
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
1150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 43
29
Strength to Weight: Bending, points 21 to 32
25
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 20 to 38
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.48 to 0.53
0.17 to 0.23
Chromium (Cr), % 0.8 to 1.1
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.7 to 97.7
93.8 to 95.4
Manganese (Mn), % 0.7 to 0.9
0.3 to 0.5
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 0
0 to 0.3
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 0.010
Vanadium (V), % 0.15 to 0.3
0.45 to 0.55