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AWS E33-31 vs. EN 1.8509 Steel

Both AWS E33-31 and EN 1.8509 steel are iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
11
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 810
1130

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.6
Embodied Energy, MJ/kg 86
22
Embodied Water, L/kg 260
65

Common Calculations

PREN (Pitting Resistance) 44
2.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
40
Strength to Weight: Bending, points 24
31
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.38 to 0.45
Chromium (Cr), % 31 to 35
1.5 to 1.8
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
95.5 to 97.1
Manganese (Mn), % 2.5 to 4.0
0.4 to 0.7
Molybdenum (Mo), % 1.0 to 2.0
0.2 to 0.35
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.9
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035