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SAE-AISI 6150 Steel vs. EN 1.7390 Steel

Both SAE-AISI 6150 steel and EN 1.7390 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
16
Fatigue Strength, MPa 300 to 750
310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 400 to 730
440
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
710
Tensile Strength: Yield (Proof), MPa 420 to 1160
480

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
510
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
40
Thermal Expansion, µm/m-K 12 to 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.7
Embodied Energy, MJ/kg 28
23
Embodied Water, L/kg 51
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 43
25
Strength to Weight: Bending, points 21 to 32
23
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 20 to 38
20

Alloy Composition

Carbon (C), % 0.48 to 0.53
0 to 0.18
Chromium (Cr), % 0.8 to 1.1
4.0 to 6.0
Iron (Fe), % 96.7 to 97.7
91.9 to 95.3
Manganese (Mn), % 0.7 to 0.9
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0.15 to 0.3
0