EN 1.4729 Stainless Steel vs. Grade M30H Nickel

EN 1.4729 stainless steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, 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 grade M30H nickel.

EN 1.4729 (GX40CrSi13) Cast Stainless Steel Grade M30H (J24030) Cast Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		160

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

Poisson's Ratio		0.28
Poisson's Ratio		0.32

Shear Modulus, GPa		75
Shear Modulus, GPa		61

Thermal Properties

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

Maximum Temperature: Mechanical, °C		850
Maximum Temperature: Mechanical, °C		900

Melting Completion (Liquidus), °C		1420
Melting Completion (Liquidus), °C		1250

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		1200

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		440

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		22

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		2.8
Electrical Conductivity: Equal Volume, % IACS		3.3

Electrical Conductivity: Equal Weight (Specific), % IACS		3.3
Electrical Conductivity: Equal Weight (Specific), % IACS		3.4

Otherwise Unclassified Properties

Base Metal Price, % relative		7.5
Base Metal Price, % relative		50

Density, g/cm³		7.6
Density, g/cm³		8.6

Embodied Carbon, kg CO₂/kg material		2.1
Embodied Carbon, kg CO₂/kg material		7.7

Embodied Energy, MJ/kg		29
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		100
Embodied Water, L/kg		250

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		10

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		21

Thermal Diffusivity, mm²/s		6.5
Thermal Diffusivity, mm²/s		5.7

Alloy Composition

Carbon (C), %		0.3 to 0.5
Carbon (C), %		0 to 0.3

Chromium (Cr), %		12 to 14
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		27 to 33

Iron (Fe), %		80.4 to 86.7
Iron (Fe), %		0 to 3.5

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0 to 1.5

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

Nickel (Ni), %		0 to 1.0
Nickel (Ni), %		57.9 to 70.3

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

Silicon (Si), %		1.0 to 2.5
Silicon (Si), %		2.7 to 3.7

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