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ACI-ASTM CN7MS Steel vs. S36200 Stainless Steel

Both ACI-ASTM CN7MS steel and S36200 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
3.4 to 4.6
Fatigue Strength, MPa 200
450 to 570
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 540
1180 to 1410
Tensile Strength: Yield (Proof), MPa 230
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 420
530
Maximum Temperature: Mechanical, °C 1040
820
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
2.8
Embodied Energy, MJ/kg 71
40
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 28
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2380 to 3930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
42 to 50
Strength to Weight: Bending, points 19
32 to 36
Thermal Diffusivity, mm2/s 3.2
4.3
Thermal Shock Resistance, points 13
40 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 18 to 20
14 to 14.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 45.4 to 53.5
75.4 to 79.5
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.3
Nickel (Ni), % 22 to 25
6.5 to 7.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 2.5 to 3.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 0.9