MakeItFrom.com
Menu (ESC)

ACI-ASTM CN7MS Steel vs. EN 1.4659 Stainless Steel

Both ACI-ASTM CN7MS steel and EN 1.4659 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 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 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 39
49
Fatigue Strength, MPa 200
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 230
480

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1040
1100
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
37
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 5.1
6.5
Embodied Energy, MJ/kg 71
89
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 28
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
370
Resilience: Unit (Modulus of Resilience), kJ/m3 140
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 18 to 20
23 to 25
Copper (Cu), % 1.5 to 2.0
1.0 to 2.0
Iron (Fe), % 45.4 to 53.5
35.7 to 45.7
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 2.5 to 3.0
5.5 to 6.5
Nickel (Ni), % 22 to 25
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 2.5 to 3.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5