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ACI-ASTM CN7MS Steel vs. EN 1.4523 Stainless Steel

Both ACI-ASTM CN7MS steel and EN 1.4523 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4523 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
17
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 540
520
Tensile Strength: Yield (Proof), MPa 230
320

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 1040
920
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.1
2.9
Embodied Energy, MJ/kg 71
40
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 28
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
77
Resilience: Unit (Modulus of Resilience), kJ/m3 140
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.2
5.8
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 18 to 20
17.5 to 19
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
75.7 to 80.2
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.0
2.0 to 2.5
Nickel (Ni), % 22 to 25
0
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
0.15 to 0.35
Titanium (Ti), % 0
0.15 to 0.8