ACI-ASTM CG12 Steel vs. K93603 Alloy

Both ACI-ASTM CG12 steel and K93603 alloy are iron alloys. They have 75% of their average alloy composition in common. There are 19 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 ACI-ASTM CG12 steel and the bottom bar is K93603 alloy.

ACI-ASTM CG12 (J93001) Cast Stainless Steel UNS K93603 Low Expansion Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.28
Poisson's Ratio		0.3

Shear Modulus, GPa		78
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		550
Tensile Strength: Ultimate (UTS), MPa		490 to 810

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		18
Base Metal Price, % relative		25

Density, g/cm³		7.8
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		3.3
Embodied Carbon, kg CO₂/kg material		4.8

Embodied Energy, MJ/kg		48
Embodied Energy, MJ/kg		66

Embodied Water, L/kg		160
Embodied Water, L/kg		120

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		17 to 27

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		17 to 24

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		15 to 25

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.1

Carbon (C), %		0 to 0.12
Carbon (C), %		0 to 0.050

Chromium (Cr), %		20 to 23
Chromium (Cr), %		0 to 0.25

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.5

Iron (Fe), %		60.3 to 70
Iron (Fe), %		61.8 to 64

Magnesium (Mg), %		0
Magnesium (Mg), %		0 to 0.1

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		0 to 0.6

Nickel (Ni), %		10 to 13
Nickel (Ni), %		36

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.015

Silicon (Si), %		0 to 2.0
Silicon (Si), %		0 to 0.4

Sulfur (S), %		0 to 0.040
Sulfur (S), %		0 to 0.015

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.1

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.1