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ACI-ASTM CK35MN Steel vs. S44536 Stainless Steel

Both ACI-ASTM CK35MN steel and S44536 stainless steel are iron alloys. They have 70% 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 ACI-ASTM CK35MN steel and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
22
Fatigue Strength, MPa 270
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 650
460
Tensile Strength: Yield (Proof), MPa 310
280

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
560
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.9
2.8
Embodied Energy, MJ/kg 81
41
Embodied Water, L/kg 210
140

Common Calculations

PREN (Pitting Resistance) 48
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
89
Resilience: Unit (Modulus of Resilience), kJ/m3 240
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.3
5.6
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.015
Chromium (Cr), % 22 to 24
20 to 23
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
72.8 to 80
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.8
Nitrogen (N), % 0.21 to 0.32
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0 to 0.8