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ACI-ASTM CA15M Steel vs. ASTM A356 Grade 10

Both ACI-ASTM CA15M steel and ASTM A356 grade 10 are iron alloys. Both are furnished in the heat treated (HT) condition. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
23
Fatigue Strength, MPa 330
300
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34
39
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 690
670
Tensile Strength: Yield (Proof), MPa 510
430

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 760
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.8
Embodied Energy, MJ/kg 29
23
Embodied Water, L/kg 100
59

Common Calculations

PREN (Pitting Resistance) 15
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 670
480
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 25
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.2
Chromium (Cr), % 11.5 to 14
2.0 to 2.8
Iron (Fe), % 82.1 to 88.4
94.4 to 96.6
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0.15 to 1.0
0.9 to 1.2
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.65
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030