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EN 1.1181 Steel vs. EN 1.7014 Steel

Both EN 1.1181 steel and EN 1.7014 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1181 steel and the bottom bar is EN 1.7014 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 560 to 620
460 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 42
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
16 to 49
Strength to Weight: Bending, points 19 to 21
17 to 35
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 19 to 21
13 to 41

Alloy Composition

Carbon (C), % 0.32 to 0.39
0.14 to 0.2
Chromium (Cr), % 0 to 0.4
0.7 to 1.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.4 to 99.18
97.3 to 98.5
Manganese (Mn), % 0.5 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.035
0.020 to 0.040