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EN 1.8527 Steel vs. ACI-ASTM CN7M Steel

Both EN 1.8527 steel and ACI-ASTM CN7M steel are iron alloys. They have 49% 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 EN 1.8527 steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
44
Fatigue Strength, MPa 520
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 900
480
Tensile Strength: Yield (Proof), MPa 800
200

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 490
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
21
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 23
78
Embodied Water, L/kg 66
210

Common Calculations

PREN (Pitting Resistance) 5.7
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1670
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 26
12

Alloy Composition

Carbon (C), % 0.040 to 0.12
0 to 0.070
Chromium (Cr), % 3.7 to 4.3
19 to 22
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 93.2 to 95.1
37.4 to 48.5
Manganese (Mn), % 0.85 to 1.2
0 to 1.5
Molybdenum (Mo), % 0.4 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.035
0 to 0.040