ASTM Grade HD Steel vs. ASTM A209 Steel

Both ASTM grade HD steel and ASTM A209 steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HD steel and the bottom bar is ASTM A209 steel.

ASTM Grade HD (28Cr-5Ni, J93005) Cast Stainless Steel ASTM A209 Carbon-Molybdenum Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		9.1
Elongation at Break, %		34

Fatigue Strength, MPa		140
Fatigue Strength, MPa		180 to 200

Poisson's Ratio		0.27
Poisson's Ratio		0.29

Shear Modulus, GPa		80
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		590
Tensile Strength: Ultimate (UTS), MPa		420 to 460

Tensile Strength: Yield (Proof), MPa		270
Tensile Strength: Yield (Proof), MPa		220 to 250

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		250

Maximum Temperature: Mechanical, °C		1100
Maximum Temperature: Mechanical, °C		410

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1470

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1420 to 1430

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		16
Thermal Conductivity, W/m-K		50

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		2.1
Electrical Conductivity: Equal Volume, % IACS		7.1

Electrical Conductivity: Equal Weight (Specific), % IACS		2.5
Electrical Conductivity: Equal Weight (Specific), % IACS		8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative		17
Base Metal Price, % relative		2.4

Density, g/cm³		7.7
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		3.1
Embodied Carbon, kg CO₂/kg material		1.5

Embodied Energy, MJ/kg		45
Embodied Energy, MJ/kg		20

Embodied Water, L/kg		180
Embodied Water, L/kg		47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		44
Resilience: Ultimate (Unit Rupture Work), MJ/m³		120 to 130

Resilience: Unit (Modulus of Resilience), kJ/m³		180
Resilience: Unit (Modulus of Resilience), kJ/m³		130 to 170

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		26
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		15 to 16

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		16 to 17

Thermal Diffusivity, mm²/s		4.3
Thermal Diffusivity, mm²/s		13

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		12 to 14