K93603 Alloy vs. AWS E309H

Both K93603 alloy and AWS E309H are iron alloys. They have 74% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is K93603 alloy and the bottom bar is AWS E309H.

UNS K93603 Low Expansion Alloy AWS E309H Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.3
Poisson's Ratio		0.27

Shear Modulus, GPa		72
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		490 to 810
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1430
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		25
Base Metal Price, % relative		20

Density, g/cm³		8.2
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		4.8
Embodied Carbon, kg CO₂/kg material		3.7

Embodied Energy, MJ/kg		66
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		120
Embodied Water, L/kg		180

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		17 to 27
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		17 to 24
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		15 to 25
Thermal Shock Resistance, points		16

Alloy Composition

Aluminum (Al), %		0 to 0.1
Aluminum (Al), %		0

Carbon (C), %		0 to 0.050
Carbon (C), %		0.040 to 0.15

Chromium (Cr), %		0 to 0.25
Chromium (Cr), %		22 to 25

Cobalt (Co), %		0 to 0.5
Cobalt (Co), %		0

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

Iron (Fe), %		61.8 to 64
Iron (Fe), %		55.8 to 65.5

Magnesium (Mg), %		0 to 0.1
Magnesium (Mg), %		0

Manganese (Mn), %		0 to 0.6
Manganese (Mn), %		0.5 to 2.5

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

Nickel (Ni), %		36
Nickel (Ni), %		12 to 14

Phosphorus (P), %		0 to 0.015
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 0.4
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0 to 0.1
Titanium (Ti), %		0

Zirconium (Zr), %		0 to 0.1
Zirconium (Zr), %		0