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ACI-ASTM CA15M Steel vs. EN 1.0308 Steel

Both ACI-ASTM CA15M steel and EN 1.0308 steel are iron alloys. They have 86% of their average alloy composition in common. 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 EN 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
7.8 to 28
Fatigue Strength, MPa 330
140 to 200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690
360 to 440
Tensile Strength: Yield (Proof), MPa 510
190 to 340

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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 29
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 670
93 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
13 to 16
Strength to Weight: Bending, points 22
14 to 16
Thermal Diffusivity, mm2/s 7.2
14
Thermal Shock Resistance, points 25
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.17
Chromium (Cr), % 11.5 to 14
0
Iron (Fe), % 82.1 to 88.4
98.2 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.2
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.65
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045