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ACI-ASTM CN3M Steel vs. EN 1.7375 Steel

Both ACI-ASTM CN3M steel and EN 1.7375 steel are iron alloys. They have 52% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3M steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20
Fatigue Strength, MPa 150
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 500
620
Tensile Strength: Yield (Proof), MPa 190
400

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.9
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.9
1.8
Embodied Energy, MJ/kg 80
23
Embodied Water, L/kg 200
59

Common Calculations

PREN (Pitting Resistance) 38
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 89
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 11
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 20 to 22
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 42.4 to 52.5
94.5 to 96.7
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 4.5 to 5.5
0.9 to 1.1
Nickel (Ni), % 23 to 27
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010