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EN 1.4931 Steel vs. AWS E307

Both EN 1.4931 steel and AWS E307 are iron alloys. They have 79% of their average alloy composition in common. 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 1.4931 steel and the bottom bar is AWS E307.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 810
660

Thermal Properties

Latent Heat of Fusion, J/g 270
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 24
15
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.5
Embodied Energy, MJ/kg 42
49
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 16
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 6.5
4.1
Thermal Shock Resistance, points 22
17

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.040 to 0.14
Chromium (Cr), % 11.3 to 12.2
18 to 21.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 83.2 to 86.8
59.6 to 69.2
Manganese (Mn), % 0.5 to 0.8
3.3 to 4.8
Molybdenum (Mo), % 1.0 to 1.2
0.5 to 1.5
Nickel (Ni), % 0 to 1.0
9.0 to 10.7
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0