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EN 1.8509 Steel vs. AWS E33-31

Both EN 1.8509 steel and AWS E33-31 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 EN 1.8509 steel 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, % 11
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 1130
810

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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