AISI 430F Stainless Steel vs. 50Cr-50Ni Alloy

AISI 430F stainless steel belongs to the iron alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 430F stainless steel and the bottom bar is 50Cr-50Ni alloy.

AISI 430F (S43020) Stainless Steel 50Cr-50Ni (R20500) Casting Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		23
Elongation at Break, %		5.7

Poisson's Ratio		0.28
Poisson's Ratio		0.26

Shear Modulus, GPa		77
Shear Modulus, GPa		84

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

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		350

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

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		8.5
Base Metal Price, % relative		50

Density, g/cm³		7.7
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		2.1
Embodied Carbon, kg CO₂/kg material		7.9

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

Embodied Water, L/kg		120
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		110
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		250
Resilience: Unit (Modulus of Resilience), kJ/m³		350

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		15

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

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		14

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.25

Carbon (C), %		0 to 0.12
Carbon (C), %		0 to 0.1

Chromium (Cr), %		16 to 18
Chromium (Cr), %		48 to 52

Iron (Fe), %		79.2 to 83.9
Iron (Fe), %		0 to 1.0

Manganese (Mn), %		0 to 1.3
Manganese (Mn), %		0 to 0.3

Nickel (Ni), %		0
Nickel (Ni), %		44.5 to 52

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.3

Phosphorus (P), %		0 to 0.060
Phosphorus (P), %		0 to 0.020

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

Sulfur (S), %		0.15 to 0.35
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.5