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EN 1.5113 Steel vs. SAE-AISI 6118 Steel

Both EN 1.5113 steel and SAE-AISI 6118 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.5113 steel and the bottom bar is SAE-AISI 6118 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 18
23
Fatigue Strength, MPa 220 to 470
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 360 to 540
300
Tensile Strength: Ultimate (UTS), MPa 580 to 900
470
Tensile Strength: Yield (Proof), MPa 320 to 770
290

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 400
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 52
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
23
Embodied Water, L/kg 48
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 96
93
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 1570
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 32
17
Strength to Weight: Bending, points 20 to 27
17
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 17 to 26
14

Alloy Composition

Carbon (C), % 0 to 0.1
0.16 to 0.21
Chromium (Cr), % 0
0.5 to 0.7
Iron (Fe), % 97 to 97.5
97.8 to 98.6
Manganese (Mn), % 1.6 to 1.8
0.5 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.9 to 1.1
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0
0.1 to 0.15