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EN 1.7033 Steel vs. EN 1.7027 Steel

Both EN 1.7033 steel and EN 1.7027 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.7033 steel and the bottom bar is EN 1.7027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 240
150 to 180
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 500 to 1720
490 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 45
45
Thermal Expansion, µm/m-K 13
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 2.2
2.3
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 50
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 61
17 to 52
Strength to Weight: Bending, points 18 to 41
18 to 36
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 15 to 50
14 to 43

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.3 to 0.37
0.17 to 0.23
Chromium (Cr), % 0.9 to 1.2
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.1 to 98.2
97.1 to 98.5
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.030

Comparable Variants