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ACI-ASTM CN3MN Steel vs. S30601 Stainless Steel

Both ACI-ASTM CN3MN steel and S30601 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 39
37
Fatigue Strength, MPa 250
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 620
660
Tensile Strength: Yield (Proof), MPa 300
300

Thermal Properties

Latent Heat of Fusion, J/g 310
370
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
950
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 33
20
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 6.2
3.9
Embodied Energy, MJ/kg 84
55
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 46
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
200
Resilience: Unit (Modulus of Resilience), kJ/m3 210
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 20 to 22
17 to 18
Copper (Cu), % 0 to 0.75
0 to 0.35
Iron (Fe), % 41.4 to 50.3
56.9 to 60.5
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.2
Nickel (Ni), % 23.5 to 25.5
17 to 18
Nitrogen (N), % 0.18 to 0.26
0 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
5.0 to 5.6
Sulfur (S), % 0 to 0.010
0 to 0.013