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EN 1.1147 Steel vs. SAE-AISI 1030 Steel

Both EN 1.1147 steel and SAE-AISI 1030 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 1030 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 17
14 to 22
Fatigue Strength, MPa 180 to 250
210 to 320
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
39 to 48
Shear Modulus, GPa 73
73
Shear Strength, MPa 280
330 to 360
Tensile Strength: Ultimate (UTS), MPa 390 to 470
530 to 590
Tensile Strength: Yield (Proof), MPa 280 to 370
300 to 490

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 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.0

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 40 to 73
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 370
230 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 17
19 to 21
Strength to Weight: Bending, points 15 to 17
18 to 20
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 12 to 15
17 to 19

Alloy Composition

Carbon (C), % 0.15 to 0.19
0.28 to 0.34
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.3 to 99.25
98.7 to 99.12
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
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