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S44536 Stainless Steel vs. ACI-ASTM CN3MN Steel

Both S44536 stainless steel and ACI-ASTM CN3MN steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S44536 stainless steel and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
39
Fatigue Strength, MPa 190
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 460
620
Tensile Strength: Yield (Proof), MPa 280
300

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 560
430
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 41
84
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 22
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
200
Resilience: Unit (Modulus of Resilience), kJ/m3 200
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 5.6
3.4
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 20 to 23
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 72.8 to 80
41.4 to 50.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.5
23.5 to 25.5
Niobium (Nb), % 0.050 to 0.8
0
Nitrogen (N), % 0 to 0.015
0.18 to 0.26
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.8
0