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SAE-AISI 6150 Steel vs. EN 1.7216 Steel

Both SAE-AISI 6150 steel and EN 1.7216 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 6150 steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
12 to 23
Fatigue Strength, MPa 300 to 750
290 to 440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 400 to 730
410 to 560
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
650 to 930
Tensile Strength: Yield (Proof), MPa 420 to 1160
400 to 690

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
46
Thermal Expansion, µm/m-K 12 to 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

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
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 43
23 to 33
Strength to Weight: Bending, points 21 to 32
21 to 27
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 20 to 38
19 to 27

Alloy Composition

Carbon (C), % 0.48 to 0.53
0.27 to 0.34
Chromium (Cr), % 0.8 to 1.1
0.8 to 1.2
Iron (Fe), % 96.7 to 97.7
97.2 to 98.4
Manganese (Mn), % 0.7 to 0.9
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0.15 to 0.3
0

Comparable Variants