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ACI-ASTM CA6N Steel vs. ASTM Grade HD Steel

Both ACI-ASTM CA6N steel and ASTM grade HD steel are iron alloys. They have 82% 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 ACI-ASTM CA6N steel and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
9.1
Fatigue Strength, MPa 640
140
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 1080
590
Tensile Strength: Yield (Proof), MPa 1060
270

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 9.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.1
Embodied Energy, MJ/kg 35
45
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 12
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
44
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 38
21
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 6.1
4.3
Thermal Shock Resistance, points 40
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.5
Chromium (Cr), % 10.5 to 12.5
26 to 30
Iron (Fe), % 77.9 to 83.5
58.4 to 70
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
4.0 to 7.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040