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ASTM A182 Grade F5a vs. ACI-ASTM CA6NM Steel

Both ASTM A182 grade F5a and ACI-ASTM CA6NM steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 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 ASTM A182 grade F5a and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 380
380
Poisson's Ratio 0.29
0.28
Reduction in Area, % 56
40
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 710
850
Tensile Strength: Yield (Proof), MPa 520
620

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 510
770
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.5
Embodied Energy, MJ/kg 24
34
Embodied Water, L/kg 69
110

Common Calculations

PREN (Pitting Resistance) 6.8
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 700
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
30
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 20
31

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.060
Chromium (Cr), % 4.0 to 6.0
11.5 to 14
Iron (Fe), % 91.4 to 95.6
78.4 to 84.6
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0.4 to 1.0
Nickel (Ni), % 0 to 0.5
3.5 to 4.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030