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ACI-ASTM CN7MS Steel vs. EN 1.4116 Stainless Steel

Both ACI-ASTM CN7MS steel and EN 1.4116 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4116 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
14
Fatigue Strength, MPa 200
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 540
750
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1040
800
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.1
2.5
Embodied Energy, MJ/kg 71
36
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 28
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
87
Resilience: Unit (Modulus of Resilience), kJ/m3 140
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 3.2
8.1
Thermal Shock Resistance, points 13
26

Alloy Composition

Carbon (C), % 0 to 0.070
0.45 to 0.55
Chromium (Cr), % 18 to 20
14 to 15
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
81.3 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0.5 to 0.8
Nickel (Ni), % 22 to 25
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.1 to 0.2