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EN 1.1061 Steel vs. EN 1.7149 Steel

Both EN 1.1061 steel and EN 1.7149 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 1.1061 steel and the bottom bar is EN 1.7149 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
500 to 1460

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 51
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 46
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 64
18 to 52
Strength to Weight: Bending, points 19 to 42
18 to 36
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 17 to 58
15 to 42

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.17 to 0.22
Chromium (Cr), % 0
1.0 to 1.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 98.1 to 99.06
96.5 to 97.7
Manganese (Mn), % 0.5 to 0.8
1.1 to 1.4
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0.020 to 0.035
0.020 to 0.040

Comparable Variants