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.

AWS E383 (W88028) Weld Metal AWS E309H Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		34
Elongation at Break, %		34

Poisson's Ratio		0.28
Poisson's Ratio		0.27

Shear Modulus, GPa		80
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		580
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1420
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		480

Thermal Conductivity, W/m-K		12
Thermal Conductivity, W/m-K		15

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		37
Base Metal Price, % relative		20

Density, g/cm³		8.1
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		6.4
Embodied Carbon, kg CO₂/kg material		3.7

Embodied Energy, MJ/kg		89
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		240
Embodied Water, L/kg		180

Common Calculations

PREN (Pitting Resistance)		40
PREN (Pitting Resistance)		25

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		21

Thermal Diffusivity, mm²/s		3.1
Thermal Diffusivity, mm²/s		4.0

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		16

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0.040 to 0.15

Chromium (Cr), %		26.5 to 29
Chromium (Cr), %		22 to 25

Copper (Cu), %		0.6 to 1.5
Copper (Cu), %		0 to 0.75

Iron (Fe), %		28.8 to 39.2
Iron (Fe), %		55.8 to 65.5

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		3.2 to 4.2
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		30 to 33
Nickel (Ni), %		12 to 14

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 0.9
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030