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EN 1.3961 Alloy vs. AWS E33-31

Both EN 1.3961 alloy and AWS E33-31 are iron alloys. They have 62% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (5, 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 E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 31
29
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 450
810

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
6.0
Embodied Energy, MJ/kg 66
86
Embodied Water, L/kg 110
260

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
28
Strength to Weight: Bending, points 16
24
Thermal Shock Resistance, points 130
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
31 to 35
Copper (Cu), % 0
0.4 to 0.8
Iron (Fe), % 60.7 to 65
24.7 to 34.8
Manganese (Mn), % 0 to 0.5
2.5 to 4.0
Molybdenum (Mo), % 0 to 1.0
1.0 to 2.0
Nickel (Ni), % 35 to 37
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.9
Sulfur (S), % 0 to 0.020
0 to 0.010