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ACI-ASTM CK35MN Steel vs. AISI 304N Stainless Steel

Both ACI-ASTM CK35MN steel and AISI 304N stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 360
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
9.1 to 45
Fatigue Strength, MPa 270
220 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 650
620 to 1180
Tensile Strength: Yield (Proof), MPa 310
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
3.0
Embodied Energy, MJ/kg 81
43
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 48
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 240
180 to 1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22 to 42
Strength to Weight: Bending, points 21
21 to 32
Thermal Diffusivity, mm2/s 3.3
4.2
Thermal Shock Resistance, points 14
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.080
Chromium (Cr), % 22 to 24
18 to 20
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
66.4 to 73.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
8.0 to 10.5
Nitrogen (N), % 0.21 to 0.32
0.1 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030