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AWS E383 vs. AWS E309H

Both AWS E383 and AWS E309H are iron alloys. Both are furnished in the as-welded condition. They have 73% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS E383 and the bottom bar is AWS E309H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 580
620

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
3.7
Embodied Energy, MJ/kg 89
52
Embodied Water, L/kg 240
180

Common Calculations

PREN (Pitting Resistance) 40
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.15
Chromium (Cr), % 26.5 to 29
22 to 25
Copper (Cu), % 0.6 to 1.5
0 to 0.75
Iron (Fe), % 28.8 to 39.2
55.8 to 65.5
Manganese (Mn), % 0.5 to 2.5
0.5 to 2.5
Molybdenum (Mo), % 3.2 to 4.2
0 to 0.75
Nickel (Ni), % 30 to 33
12 to 14
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030