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ACI-ASTM CA15M Steel vs. EN 1.7338 Steel

Both ACI-ASTM CA15M steel and EN 1.7338 steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
23
Fatigue Strength, MPa 330
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690
490
Tensile Strength: Yield (Proof), MPa 510
300

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 760
430
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
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.6
Embodied Energy, MJ/kg 29
21
Embodied Water, L/kg 100
53

Common Calculations

PREN (Pitting Resistance) 15
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
97
Resilience: Unit (Modulus of Resilience), kJ/m3 670
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 25
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 11.5 to 14
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.1 to 88.4
95.4 to 97.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 1.0
0.45 to 0.65
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.65
0.5 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010