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ASTM Grade HD Steel vs. N08800 Stainless Steel

Both ASTM grade HD steel and N08800 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HD steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
4.5 to 34
Fatigue Strength, MPa 140
150 to 390
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 590
500 to 1000
Tensile Strength: Yield (Proof), MPa 270
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
490
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.3
Embodied Energy, MJ/kg 45
76
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 29
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
42 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
96 to 1740
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
18 to 35
Strength to Weight: Bending, points 20
18 to 28
Thermal Diffusivity, mm2/s 4.3
3.0
Thermal Shock Resistance, points 19
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.5
0 to 0.1
Chromium (Cr), % 26 to 30
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 58.4 to 70
39.5 to 50.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 4.0 to 7.0
30 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6