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EN 1.1244 Steel vs. EN 1.7176 Steel

Both EN 1.1244 steel and EN 1.7176 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.1244 steel and the bottom bar is EN 1.7176 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
200 to 470
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 730 to 770
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.1
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 26 to 28
24 to 71
Strength to Weight: Bending, points 23 to 24
22 to 45
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 23 to 25
20 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.65 to 0.75
0.52 to 0.59
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 98.1 to 99.2
97 to 98.1
Manganese (Mn), % 0.8 to 1.1
0.7 to 1.0
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants