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ASTM Grade HD Steel vs. N08028 Stainless Steel

Both ASTM grade HD steel and N08028 stainless steel are iron alloys. They have 69% of their average alloy composition in common. 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 N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
45
Fatigue Strength, MPa 140
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 590
570
Tensile Strength: Yield (Proof), MPa 270
240

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.1
6.4
Embodied Energy, MJ/kg 45
89
Embodied Water, L/kg 180
240

Common Calculations

PREN (Pitting Resistance) 29
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 58.4 to 70
29 to 40.4
Manganese (Mn), % 0 to 1.5
0 to 2.5
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 4.0 to 7.0
30 to 34
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030