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ASTM Grade HC Steel vs. ACI-ASTM CF16Fa Steel

Both ASTM grade HC steel and ACI-ASTM CF16Fa 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 (1, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.0
28
Fatigue Strength, MPa 96
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 430
540
Tensile Strength: Yield (Proof), MPa 200
230

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 40
47
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 29
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120
Resilience: Unit (Modulus of Resilience), kJ/m3 95
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 4.5
4.2
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.5
0 to 0.16
Chromium (Cr), % 26 to 30
18 to 21
Iron (Fe), % 61.9 to 74
62.1 to 72.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.8
Nickel (Ni), % 0 to 4.0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.040
0.2 to 0.4