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EN 1.4416 Stainless Steel vs. ACI-ASTM CN7M Steel

Both EN 1.4416 stainless steel and ACI-ASTM CN7M steel are iron alloys. They have a moderately high 91% 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 EN 1.4416 stainless steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
44
Fatigue Strength, MPa 170
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 500
480
Tensile Strength: Yield (Proof), MPa 210
200

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
32
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 5.8
5.6
Embodied Energy, MJ/kg 79
78
Embodied Water, L/kg 190
210

Common Calculations

PREN (Pitting Resistance) 39
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
170
Resilience: Unit (Modulus of Resilience), kJ/m3 110
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 3.2
5.6
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 19 to 21
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 45.2 to 52.4
37.4 to 48.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 4.5 to 5.5
2.0 to 3.0
Nickel (Ni), % 24 to 26
27.5 to 30.5
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040