ASTM A203 Steel vs. Z20301 Zinc

ASTM A203 steel belongs to the iron alloys classification, while Z20301 zinc belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A203 steel and the bottom bar is Z20301 zinc.

ASTM A203 Nickel Steel Zinc-Lead Rolled Zinc Alloy (Z20301)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		87

Elongation at Break, %		22 to 26
Elongation at Break, %		53

Poisson's Ratio		0.29
Poisson's Ratio		0.25

Shear Modulus, GPa		73
Shear Modulus, GPa		35

Tensile Strength: Ultimate (UTS), MPa		520 to 590
Tensile Strength: Ultimate (UTS), MPa		160

Tensile Strength: Yield (Proof), MPa		290 to 390
Tensile Strength: Yield (Proof), MPa		130

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		110

Maximum Temperature: Mechanical, °C		410
Maximum Temperature: Mechanical, °C		90

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		410

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		400

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		52
Thermal Conductivity, W/m-K		110

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		7.4 to 7.6
Electrical Conductivity: Equal Volume, % IACS		27

Electrical Conductivity: Equal Weight (Specific), % IACS		8.5 to 8.7
Electrical Conductivity: Equal Weight (Specific), % IACS		37

Otherwise Unclassified Properties

Base Metal Price, % relative		3.2 to 4.0
Base Metal Price, % relative		11

Density, g/cm³		7.9
Density, g/cm³		6.6

Embodied Carbon, kg CO₂/kg material		1.6 to 1.7
Embodied Carbon, kg CO₂/kg material		2.8

Embodied Energy, MJ/kg		21 to 23
Embodied Energy, MJ/kg		53

Embodied Water, L/kg		50 to 52
Embodied Water, L/kg		340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		110 to 120
Resilience: Ultimate (Unit Rupture Work), MJ/m³		78

Resilience: Unit (Modulus of Resilience), kJ/m³		230 to 410
Resilience: Unit (Modulus of Resilience), kJ/m³		96

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		18 to 21
Strength to Weight: Axial, points		6.7

Strength to Weight: Bending, points		18 to 20
Strength to Weight: Bending, points		9.9

Thermal Diffusivity, mm²/s		14
Thermal Diffusivity, mm²/s		44

Thermal Shock Resistance, points		15 to 17
Thermal Shock Resistance, points		5.0