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N08810 Stainless Steel vs. ASTM Grade HK Steel

Both N08810 stainless steel and ASTM grade HK steel are iron alloys. They have 87% 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 N08810 stainless steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33
11
Fatigue Strength, MPa 160
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 520
500
Tensile Strength: Yield (Proof), MPa 200
270

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 490
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
4.4
Embodied Energy, MJ/kg 76
63
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 21
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
48
Resilience: Unit (Modulus of Resilience), kJ/m3 100
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.0
3.9
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.050 to 0.1
0.2 to 0.6
Chromium (Cr), % 19 to 23
24 to 28
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.7
44.8 to 57.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 30 to 35
18 to 22
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.15 to 0.6
0