EN 1.4729 Stainless Steel vs. AWS E310H

Both EN 1.4729 stainless steel and AWS E310H 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 EN 1.4729 stainless steel and the bottom bar is AWS E310H.

EN 1.4729 (GX40CrSi13) Cast Stainless Steel AWS E310H (W31015) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		15
Elongation at Break, %		11

Poisson's Ratio		0.28
Poisson's Ratio		0.27

Shear Modulus, GPa		75
Shear Modulus, GPa		79

Thermal Properties

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

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

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		1350

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		480

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		14

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		2.8
Electrical Conductivity: Equal Volume, % IACS		2.1

Electrical Conductivity: Equal Weight (Specific), % IACS		3.3
Electrical Conductivity: Equal Weight (Specific), % IACS		2.4

Otherwise Unclassified Properties

Base Metal Price, % relative		7.5
Base Metal Price, % relative		26

Density, g/cm³		7.6
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.1
Embodied Carbon, kg CO₂/kg material		4.6

Embodied Energy, MJ/kg		29
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		100
Embodied Water, L/kg		200

Common Calculations

PREN (Pitting Resistance)		14
PREN (Pitting Resistance)		28

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

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

Thermal Diffusivity, mm²/s		6.5
Thermal Diffusivity, mm²/s		3.8

Alloy Composition

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

Chromium (Cr), %		12 to 14
Chromium (Cr), %		25 to 28

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

Iron (Fe), %		80.4 to 86.7
Iron (Fe), %		44.2 to 53.7

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

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

Nickel (Ni), %		0 to 1.0
Nickel (Ni), %		20 to 22.5

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		1.0 to 2.5
Silicon (Si), %		0 to 0.75

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