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EN 1.0303 Steel vs. EN 1.1233 Steel

Both EN 1.0303 steel and EN 1.1233 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 1.0303 steel and the bottom bar is EN 1.1233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 290 to 410
680 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 15
24 to 27
Strength to Weight: Bending, points 12 to 16
22 to 24
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 9.2 to 13
22 to 24

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0 to 0.050
Carbon (C), % 0.020 to 0.060
0.52 to 0.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 99.335 to 99.71
98 to 99.1
Manganese (Mn), % 0.25 to 0.4
0.9 to 1.2
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030