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ACI-ASTM CN3MN Steel vs. EN 1.4886 Stainless Steel

Both ACI-ASTM CN3MN steel and EN 1.4886 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
45
Fatigue Strength, MPa 250
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 300
300

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.2
5.4
Embodied Energy, MJ/kg 84
76
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 46
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.4
3.1
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 20 to 22
17 to 20
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
38.7 to 49
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
33 to 37
Nitrogen (N), % 0.18 to 0.26
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.015