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ASTM Grade HC Steel vs. S32808 Stainless Steel

Both ASTM grade HC steel and S32808 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 6.0
17
Fatigue Strength, MPa 96
350
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 430
780
Tensile Strength: Yield (Proof), MPa 200
570

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
24
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.0
Embodied Energy, MJ/kg 40
57
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 29
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120
Resilience: Unit (Modulus of Resilience), kJ/m3 95
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 16
27
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 4.5
3.8
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
27 to 27.9
Iron (Fe), % 61.9 to 74
58.1 to 62.8
Manganese (Mn), % 0 to 1.0
0 to 1.1
Molybdenum (Mo), % 0 to 0.5
0.8 to 1.2
Nickel (Ni), % 0 to 4.0
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5