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EN 1.4606 Stainless Steel vs. ACI-ASTM CN7M Steel

Both EN 1.4606 stainless steel and ACI-ASTM CN7M steel are iron alloys. They have 86% 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 EN 1.4606 stainless steel and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 39
44
Fatigue Strength, MPa 240 to 420
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
480
Tensile Strength: Yield (Proof), MPa 280 to 630
200

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 770
430
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 26
32
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 6.0
5.6
Embodied Energy, MJ/kg 87
78
Embodied Water, L/kg 170
210

Common Calculations

PREN (Pitting Resistance) 19
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
170
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 36
17
Strength to Weight: Bending, points 20 to 28
17
Thermal Diffusivity, mm2/s 3.7
5.6
Thermal Shock Resistance, points 21 to 35
12

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 13 to 16
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 49.2 to 59
37.4 to 48.5
Manganese (Mn), % 1.0 to 2.0
0 to 1.5
Molybdenum (Mo), % 1.0 to 1.5
2.0 to 3.0
Nickel (Ni), % 24 to 27
27.5 to 30.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0