Grade CW6MC Nickel vs. AWS E320

Grade CW6MC nickel belongs to the nickel alloys classification, while AWS E320 belongs to the iron alloys. They have 60% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is AWS E320.

Grade CW6MC (J26625) Cast Nickel AWS E320 (W88021) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		28
Elongation at Break, %		34

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		79
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		540
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		330
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1480
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1430
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		460

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

Otherwise Unclassified Properties

Base Metal Price, % relative		80
Base Metal Price, % relative		38

Density, g/cm³		8.6
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		14
Embodied Carbon, kg CO₂/kg material		6.5

Embodied Energy, MJ/kg		200
Embodied Energy, MJ/kg		91

Embodied Water, L/kg		290
Embodied Water, L/kg		220

Common Calculations

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

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		20

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

Alloy Composition

Carbon (C), %		0 to 0.060
Carbon (C), %		0 to 0.070

Chromium (Cr), %		20 to 23
Chromium (Cr), %		19 to 21

Copper (Cu), %		0
Copper (Cu), %		3.0 to 4.0

Iron (Fe), %		0 to 5.0
Iron (Fe), %		31.8 to 43.5

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		8.0 to 10
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		55.4 to 68.9
Nickel (Ni), %		32 to 36

Niobium (Nb), %		3.2 to 4.5
Niobium (Nb), %		0 to 1.0

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.6

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