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ASTM Grade HC Steel vs. S32654 Stainless Steel

Both ASTM grade HC steel and S32654 stainless steel are iron alloys. They have 69% 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 S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 6.0
45
Fatigue Strength, MPa 96
450
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
82
Tensile Strength: Ultimate (UTS), MPa 430
850
Tensile Strength: Yield (Proof), MPa 200
490

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
34
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
6.4
Embodied Energy, MJ/kg 40
87
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 29
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
330
Resilience: Unit (Modulus of Resilience), kJ/m3 95
570
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 16
29
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 4.5
2.9
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.020
Chromium (Cr), % 26 to 30
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 61.9 to 74
38.3 to 45.3
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.5
7.0 to 8.0
Nickel (Ni), % 0 to 4.0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
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 0.0050