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SAE-AISI 6150 Steel vs. EN 1.5521 Steel

Both SAE-AISI 6150 steel and EN 1.5521 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 350
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 23
11 to 21
Fatigue Strength, MPa 300 to 750
210 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 400 to 730
310 to 360
Tensile Strength: Ultimate (UTS), MPa 630 to 1200
430 to 1390
Tensile Strength: Yield (Proof), MPa 420 to 1160
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
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
51
Thermal Expansion, µm/m-K 12 to 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 51
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3590
250 to 630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 43
15 to 49
Strength to Weight: Bending, points 21 to 32
16 to 35
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 20 to 38
13 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.48 to 0.53
0.16 to 0.2
Chromium (Cr), % 0.8 to 1.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.7 to 97.7
98 to 98.9
Manganese (Mn), % 0.7 to 0.9
0.9 to 1.2
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0.15 to 0.3
0