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ACI-ASTM CK35MN Steel vs. S32506 Stainless Steel

Both ACI-ASTM CK35MN steel and S32506 stainless steel are iron alloys. They have 81% 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 S32506 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
21
Fatigue Strength, MPa 270
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 650
710
Tensile Strength: Yield (Proof), MPa 310
500

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
3.9
Embodied Energy, MJ/kg 81
54
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 48
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.030
Chromium (Cr), % 22 to 24
24 to 26
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
60.8 to 67.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 6.8
3.0 to 3.5
Nickel (Ni), % 20 to 22
5.5 to 7.2
Nitrogen (N), % 0.21 to 0.32
0.080 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.9
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0
0.050 to 0.3