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EN 1.1147 Steel vs. SAE-AISI 1015 Steel

Both EN 1.1147 steel and SAE-AISI 1015 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.1147 steel and the bottom bar is SAE-AISI 1015 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
20 to 32
Fatigue Strength, MPa 180 to 250
170 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
46 to 56
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
260 to 270
Tensile Strength: Ultimate (UTS), MPa 390 to 470
390 to 440
Tensile Strength: Yield (Proof), MPa 280 to 370
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 73
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 370
120 to 360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 17
14 to 15
Strength to Weight: Bending, points 15 to 17
15 to 16
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 15
12 to 14

Alloy Composition

Carbon (C), % 0.15 to 0.19
0.13 to 0.18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.3 to 99.25
99.13 to 99.57
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants