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ACI-ASTM CA15M Steel vs. EN 1.8903 Steel

Both ACI-ASTM CA15M steel and EN 1.8903 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is EN 1.8903 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
19
Fatigue Strength, MPa 330
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690
630
Tensile Strength: Yield (Proof), MPa 510
480

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
410
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
46
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
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.8
Embodied Energy, MJ/kg 29
24
Embodied Water, L/kg 100
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 25
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.15
0 to 0.22
Chromium (Cr), % 11.5 to 14
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 82.1 to 88.4
95 to 99.05
Manganese (Mn), % 0 to 1.0
1.0 to 1.8
Molybdenum (Mo), % 0.15 to 1.0
0 to 0.13
Nickel (Ni), % 0 to 1.0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.65
0 to 0.65
Sulfur (S), % 0 to 0.040
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22