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ACI-ASTM CK35MN Steel vs. ASTM A302 Alloy Steel

Both ACI-ASTM CK35MN steel and ASTM A302 alloy steel are iron alloys. There are 30 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 ACI-ASTM CK35MN steel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
20 to 23
Fatigue Strength, MPa 270
250 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 650
590 to 620
Tensile Strength: Yield (Proof), MPa 310
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39 to 51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4 to 3.0
Density, g/cm3 8.0
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 5.9
1.5 to 1.6
Embodied Energy, MJ/kg 81
20 to 21
Embodied Water, L/kg 210
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
330 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21 to 22
Strength to Weight: Bending, points 21
20 to 21
Thermal Diffusivity, mm2/s 3.3
10 to 14
Thermal Shock Resistance, points 14
17 to 18