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ACI-ASTM CA6N Steel vs. ACI-ASTM CK35MN Steel

Both ACI-ASTM CA6N steel and ACI-ASTM CK35MN steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have 67% 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 ACI-ASTM CA6N steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17
40
Fatigue Strength, MPa 640
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 1080
650
Tensile Strength: Yield (Proof), MPa 1060
310

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.5
5.9
Embodied Energy, MJ/kg 35
81
Embodied Water, L/kg 110
210

Common Calculations

PREN (Pitting Resistance) 12
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
210
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 30
21
Thermal Diffusivity, mm2/s 6.1
3.3
Thermal Shock Resistance, points 40
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.035
Chromium (Cr), % 10.5 to 12.5
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 77.9 to 83.5
43.4 to 51.8
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 6.0 to 8.0
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020