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ACI-ASTM CN7MS Steel vs. EN 1.8527 Steel

Both ACI-ASTM CN7MS steel and EN 1.8527 steel are iron alloys. They have 55% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
16
Fatigue Strength, MPa 200
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 230
800

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 1040
490
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
41
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
1.7
Embodied Energy, MJ/kg 71
23
Embodied Water, L/kg 180
66

Common Calculations

PREN (Pitting Resistance) 28
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 13
26

Alloy Composition

Carbon (C), % 0 to 0.070
0.040 to 0.12
Chromium (Cr), % 18 to 20
3.7 to 4.3
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 45.4 to 53.5
93.2 to 95.1
Manganese (Mn), % 0 to 1.0
0.85 to 1.2
Molybdenum (Mo), % 2.5 to 3.0
0.4 to 0.6
Nickel (Ni), % 22 to 25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035