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SAE-AISI 1039 Steel vs. EN 1.1147 Steel

Both SAE-AISI 1039 steel and EN 1.1147 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1039 steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
12 to 17
Fatigue Strength, MPa 230 to 370
180 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 45
63 to 73
Shear Modulus, GPa 73
73
Shear Strength, MPa 380 to 420
280
Tensile Strength: Ultimate (UTS), MPa 610 to 690
390 to 470
Tensile Strength: Yield (Proof), MPa 340 to 580
280 to 370

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.1

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 94
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 890
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 24
14 to 17
Strength to Weight: Bending, points 20 to 22
15 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 19 to 22
12 to 15

Alloy Composition

Carbon (C), % 0.37 to 0.44
0.15 to 0.19
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.5 to 98.9
98.3 to 99.25
Manganese (Mn), % 0.7 to 1.0
0.6 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants