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ACI-ASTM CN7MS Steel vs. EN 1.4482 Stainless Steel

Both ACI-ASTM CN7MS steel and EN 1.4482 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 29 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 1.4482 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
34
Fatigue Strength, MPa 200
420 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 540
770 to 800
Tensile Strength: Yield (Proof), MPa 230
530 to 570

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1040
980
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.1
2.7
Embodied Energy, MJ/kg 71
38
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 28
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
230 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 140
690 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
28 to 29
Strength to Weight: Bending, points 19
24 to 25
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 13
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 18 to 20
19.5 to 21.5
Copper (Cu), % 1.5 to 2.0
0 to 1.0
Iron (Fe), % 45.4 to 53.5
66.1 to 74.9
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 2.5 to 3.0
0.1 to 0.6
Nickel (Ni), % 22 to 25
1.5 to 3.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030