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ACI-ASTM CN7MS Steel vs. EN 1.7366 Steel

Both ACI-ASTM CN7MS steel and EN 1.7366 steel are iron alloys. They have 56% 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 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
17 to 19
Fatigue Strength, MPa 200
160 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 540
460 to 710
Tensile Strength: Yield (Proof), MPa 230
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 1040
510
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
40
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
4.3
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
69

Common Calculations

PREN (Pitting Resistance) 28
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
16 to 25
Strength to Weight: Bending, points 19
17 to 23
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 13
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.18
Chromium (Cr), % 18 to 20
4.0 to 6.0
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
91.9 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 2.5 to 3.0
0.45 to 0.65
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 0.015