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EN 1.1233 Steel vs. EN 1.7149 Steel

Both EN 1.1233 steel and EN 1.7149 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.1233 steel and the bottom bar is EN 1.7149 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
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 680 to 760
500 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
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 8.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
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 47
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 27
18 to 52
Strength to Weight: Bending, points 22 to 24
18 to 36
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 22 to 24
15 to 42

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.52 to 0.6
0.17 to 0.22
Chromium (Cr), % 0
1.0 to 1.3
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 98 to 99.1
96.5 to 97.7
Manganese (Mn), % 0.9 to 1.2
1.1 to 1.4
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040