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EN 1.4613 Stainless Steel vs. ACI-ASTM CN7MS Steel

Both EN 1.4613 stainless steel and ACI-ASTM CN7MS steel are iron alloys. They have 70% 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 EN 1.4613 stainless steel and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
39
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 530
540
Tensile Strength: Yield (Proof), MPa 280
230

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 550
420
Maximum Temperature: Mechanical, °C 1050
1040
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 19
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 38
71
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 24
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 5.2
3.2
Thermal Shock Resistance, points 18
13

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 22 to 25
18 to 20
Copper (Cu), % 0 to 0.5
1.5 to 2.0
Iron (Fe), % 70.3 to 77.8
45.4 to 53.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.0
Nickel (Ni), % 0 to 0.5
22 to 25
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
2.5 to 3.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0