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ACI-ASTM CN7M Steel vs. EN 1.4062 Stainless Steel

Both ACI-ASTM CN7M steel and EN 1.4062 stainless steel are iron alloys. They have 67% 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 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
23 to 34
Fatigue Strength, MPa 190
410 to 420
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 480
770 to 800
Tensile Strength: Yield (Proof), MPa 200
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1100
1030
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.6
Embodied Energy, MJ/kg 78
37
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 29
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 110
690 to 910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
28 to 29
Strength to Weight: Bending, points 17
24 to 25
Thermal Diffusivity, mm2/s 5.6
4.0
Thermal Shock Resistance, points 12
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 19 to 22
21.5 to 24
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 37.4 to 48.5
69.3 to 77.3
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.45
Nickel (Ni), % 27.5 to 30.5
1.0 to 2.9
Nitrogen (N), % 0
0.16 to 0.28
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.010