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EN 1.8509 Steel vs. AWS E309H

Both EN 1.8509 steel and AWS E309H are iron alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 E309H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 1130
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.7
Embodied Energy, MJ/kg 22
52
Embodied Water, L/kg 65
180

Common Calculations

PREN (Pitting Resistance) 2.6
25
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 31
21
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 33
16

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.040 to 0.15
Chromium (Cr), % 1.5 to 1.8
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 95.5 to 97.1
55.8 to 65.5
Manganese (Mn), % 0.4 to 0.7
0.5 to 2.5
Molybdenum (Mo), % 0.2 to 0.35
0 to 0.75
Nickel (Ni), % 0
12 to 14
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030