AWS E330H vs. EN 1.4740 Stainless Steel

Both AWS E330H and EN 1.4740 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E330H and the bottom bar is EN 1.4740 stainless steel.

AWS E330H (W88335) Weld Metal EN 1.4740 (GX40CrSi17) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		11
Elongation at Break, %		22

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		76
Shear Modulus, GPa		77

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1400
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1350
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		490

Thermal Conductivity, W/m-K		12
Thermal Conductivity, W/m-K		18

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		1.7
Electrical Conductivity: Equal Volume, % IACS		2.2

Electrical Conductivity: Equal Weight (Specific), % IACS		1.9
Electrical Conductivity: Equal Weight (Specific), % IACS		2.6

Otherwise Unclassified Properties

Base Metal Price, % relative		30
Base Metal Price, % relative		9.5

Density, g/cm³		8.1
Density, g/cm³		7.6

Embodied Carbon, kg CO₂/kg material		5.4
Embodied Carbon, kg CO₂/kg material		2.3

Embodied Energy, MJ/kg		76
Embodied Energy, MJ/kg		32

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

Common Calculations

PREN (Pitting Resistance)		17
PREN (Pitting Resistance)		18

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

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

Thermal Diffusivity, mm²/s		3.2
Thermal Diffusivity, mm²/s		4.8

Alloy Composition

Carbon (C), %		0.35 to 0.45
Carbon (C), %		0.3 to 0.5

Chromium (Cr), %		14 to 17
Chromium (Cr), %		16 to 19

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

Iron (Fe), %		40.5 to 51.7
Iron (Fe), %		75.4 to 82.7

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

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		33 to 37
Nickel (Ni), %		0 to 1.0

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		1.0 to 2.5

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