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ACI-ASTM CN7M Steel vs. EN 1.4107 Stainless Steel

Both ACI-ASTM CN7M steel and EN 1.4107 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7M steel and the bottom bar is EN 1.4107 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
18 to 21
Fatigue Strength, MPa 190
260 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 480
620 to 700
Tensile Strength: Yield (Proof), MPa 200
400 to 570

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
27
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 32
7.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.1
Embodied Energy, MJ/kg 78
30
Embodied Water, L/kg 210
100

Common Calculations

PREN (Pitting Resistance) 29
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
420 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
22 to 25
Strength to Weight: Bending, points 17
21 to 22
Thermal Diffusivity, mm2/s 5.6
7.2
Thermal Shock Resistance, points 12
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 19 to 22
11.5 to 12.5
Copper (Cu), % 3.0 to 4.0
0 to 0.3
Iron (Fe), % 37.4 to 48.5
83.8 to 87.2
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 27.5 to 30.5
0.8 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.020
Vanadium (V), % 0
0 to 0.080