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EN 1.7375 Steel vs. ACI-ASTM CA15 Steel

Both EN 1.7375 steel and ACI-ASTM CA15 steel are iron alloys. Both are furnished in the normalized and tempered condition. They have 89% 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 EN 1.7375 steel and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
21
Fatigue Strength, MPa 270
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 620
700
Tensile Strength: Yield (Proof), MPa 400
570

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 460
750
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.0
Embodied Energy, MJ/kg 23
28
Embodied Water, L/kg 59
100

Common Calculations

PREN (Pitting Resistance) 5.6
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 420
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 18
26

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.15
Chromium (Cr), % 2.0 to 2.5
11.5 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.5 to 96.7
81.8 to 88.5
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 1.0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040