S44700 Stainless Steel vs. Chromium 33

S44700 stainless steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have 62% of their average alloy composition in common. There are 21 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 S44700 stainless steel and the bottom bar is chromium 33.

UNS S44700 (29-4) Stainless Steel Chromium Alloy 33 (R20033)

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		23
Elongation at Break, %		45

Poisson's Ratio		0.27
Poisson's Ratio		0.27

Shear Modulus, GPa		82
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		600
Tensile Strength: Ultimate (UTS), MPa		850

Tensile Strength: Yield (Proof), MPa		450
Tensile Strength: Yield (Proof), MPa		430

Thermal Properties

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

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

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		18
Base Metal Price, % relative		36

Density, g/cm³		7.8
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		6.0

Embodied Energy, MJ/kg		49
Embodied Energy, MJ/kg		84

Embodied Water, L/kg		180
Embodied Water, L/kg		250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		120
Resilience: Ultimate (Unit Rupture Work), MJ/m³		320

Resilience: Unit (Modulus of Resilience), kJ/m³		480
Resilience: Unit (Modulus of Resilience), kJ/m³		450

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

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

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		30

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		25

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		21

Alloy Composition

Carbon (C), %		0 to 0.010
Carbon (C), %		0 to 0.015

Chromium (Cr), %		28 to 30
Chromium (Cr), %		31 to 35

Copper (Cu), %		0 to 0.15
Copper (Cu), %		0.3 to 1.2

Iron (Fe), %		64.9 to 68.5
Iron (Fe), %		25.7 to 37.9

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		3.5 to 4.2
Molybdenum (Mo), %		0.5 to 2.0

Nickel (Ni), %		0 to 0.15
Nickel (Ni), %		30 to 33

Nitrogen (N), %		0 to 0.020
Nitrogen (N), %		0.35 to 0.6

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 0.2
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.010