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ACI-ASTM CA6NM Steel vs. ASTM A302 Alloy Steel

Both ACI-ASTM CA6NM 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 (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20 to 23
Fatigue Strength, MPa 380
250 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
590 to 620
Tensile Strength: Yield (Proof), MPa 620
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
39 to 51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4 to 3.0
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.5
1.5 to 1.6
Embodied Energy, MJ/kg 34
20 to 21
Embodied Water, L/kg 110
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
330 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
21 to 22
Strength to Weight: Bending, points 26
20 to 21
Thermal Diffusivity, mm2/s 6.7
10 to 14
Thermal Shock Resistance, points 31
17 to 18