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ACI-ASTM CA15M Steel vs. EN 1.7701 Steel

Both ACI-ASTM CA15M steel and EN 1.7701 steel are iron alloys. They have 87% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.7701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
420
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
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.5

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
1.9
Embodied Energy, MJ/kg 29
26
Embodied Water, L/kg 100
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24 to 71
Strength to Weight: Bending, points 22
22 to 45
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 25
20 to 59

Alloy Composition

Carbon (C), % 0 to 0.15
0.48 to 0.56
Chromium (Cr), % 11.5 to 14
0.9 to 1.2
Iron (Fe), % 82.1 to 88.4
96.2 to 97.7
Manganese (Mn), % 0 to 1.0
0.7 to 1.1
Molybdenum (Mo), % 0.15 to 1.0
0.15 to 0.3
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.65
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0.1 to 0.2