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EN 1.7272 Steel vs. AWS E430

Both EN 1.7272 steel and AWS E430 are iron alloys. They have 83% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7272 steel and the bottom bar is AWS E430.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 490 to 1650
500

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
25
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 49
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 59
18
Strength to Weight: Bending, points 18 to 40
18
Thermal Diffusivity, mm2/s 12
6.7
Thermal Shock Resistance, points 14 to 48
13

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.28 to 0.33
0 to 0.1
Chromium (Cr), % 0.4 to 0.55
15 to 18
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 97.2 to 98.3
77.8 to 85
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Molybdenum (Mo), % 0.1 to 0.15
0 to 0.75
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 0.9
Sulfur (S), % 0 to 0.025
0 to 0.030