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EN 1.1191 Steel vs. AWS E307

Both EN 1.1191 steel and AWS E307 are iron alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is AWS E307.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 17
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 630 to 700
660

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.5
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 47
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
24
Strength to Weight: Bending, points 21 to 22
22
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 20 to 22
17

Alloy Composition

Carbon (C), % 0.42 to 0.5
0.040 to 0.14
Chromium (Cr), % 0 to 0.4
18 to 21.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 97.3 to 99.08
59.6 to 69.2
Manganese (Mn), % 0.5 to 0.8
3.3 to 4.8
Molybdenum (Mo), % 0 to 0.1
0.5 to 1.5
Nickel (Ni), % 0 to 0.4
9.0 to 10.7
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030