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EN 1.0255 Steel vs. AWS E309H

Both EN 1.0255 steel and AWS E309H are iron alloys. They have 62% of their average alloy composition in common. There are 24 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 1.0255 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, % 27
34
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 430
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.7
Embodied Energy, MJ/kg 19
52
Embodied Water, L/kg 49
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0.020 to 0.2
0
Carbon (C), % 0 to 0.16
0.040 to 0.15
Chromium (Cr), % 0 to 0.3
22 to 25
Copper (Cu), % 0 to 0.3
0 to 0.75
Iron (Fe), % 94.1 to 99.98
55.8 to 65.5
Manganese (Mn), % 0 to 1.2
0.5 to 2.5
Molybdenum (Mo), % 0 to 0.080
0 to 0.75
Nickel (Ni), % 0 to 0.3
12 to 14
Niobium (Nb), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.040
0
Vanadium (V), % 0 to 0.020
0