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ACI-ASTM CN7MS Steel vs. EN 1.6932 Steel

Both ACI-ASTM CN7MS steel and EN 1.6932 steel are iron alloys. They have 54% 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 1.6932 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14
Fatigue Strength, MPa 200
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 230
720

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 1040
440
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
45
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
4.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.1
2.0
Embodied Energy, MJ/kg 71
27
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 28
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1370
Stiffness to Weight: Axial, points 14
13
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
12
Thermal Shock Resistance, points 13
26

Alloy Composition

Carbon (C), % 0 to 0.070
0.24 to 0.32
Chromium (Cr), % 18 to 20
1.0 to 1.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
94.5 to 96.4
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 2.5 to 3.0
0.35 to 0.55
Nickel (Ni), % 22 to 25
1.8 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 2.5 to 3.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.050 to 0.15