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EN 1.3961 Alloy vs. AWS E309

Both EN 1.3961 alloy and AWS E309 are iron alloys. They have 75% of their average alloy composition in common. There are 20 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 1.3961 alloy and the bottom bar is AWS E309.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
34
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 450
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
20
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.7
Embodied Energy, MJ/kg 66
52
Embodied Water, L/kg 110
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 130
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0 to 0.25
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 60.7 to 65
55.8 to 65.5
Manganese (Mn), % 0 to 0.5
0.5 to 2.5
Molybdenum (Mo), % 0 to 1.0
0 to 0.75
Nickel (Ni), % 35 to 37
12 to 14
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030