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ACI-ASTM CN7MS Steel vs. EN 1.4913 Stainless Steel

Both ACI-ASTM CN7MS steel and EN 1.4913 stainless steel are iron alloys. They have 62% 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 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14 to 22
Fatigue Strength, MPa 200
320 to 480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 540
870 to 980
Tensile Strength: Yield (Proof), MPa 230
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1040
700
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
24
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
2.9
Embodied Energy, MJ/kg 71
41
Embodied Water, L/kg 180
97

Common Calculations

PREN (Pitting Resistance) 28
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
600 to 1860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
31 to 35
Strength to Weight: Bending, points 19
26 to 28
Thermal Diffusivity, mm2/s 3.2
6.5
Thermal Shock Resistance, points 13
31 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0 to 0.070
0.17 to 0.23
Chromium (Cr), % 18 to 20
10 to 11.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
84.5 to 88.3
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 2.5 to 3.0
0.5 to 0.8
Nickel (Ni), % 22 to 25
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.1 to 0.3