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ACI-ASTM CA15M Steel vs. ASTM A299 Steel

Both ACI-ASTM CA15M steel and ASTM A299 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 CA15M steel and the bottom bar is ASTM A299 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
21 to 22
Fatigue Strength, MPa 330
230 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690
590 to 620
Tensile Strength: Yield (Proof), MPa 510
330 to 360

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 29
19
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670
290 to 350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21 to 22
Strength to Weight: Bending, points 22
20 to 21
Thermal Diffusivity, mm2/s 7.2
14
Thermal Shock Resistance, points 25
17 to 18