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ACI-ASTM CK35MN Steel vs. AISI 204 Stainless Steel

Both ACI-ASTM CK35MN steel and AISI 204 stainless 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 (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 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
23 to 39
Fatigue Strength, MPa 270
320 to 720
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 650
730 to 1100
Tensile Strength: Yield (Proof), MPa 310
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.9
2.4
Embodied Energy, MJ/kg 81
35
Embodied Water, L/kg 210
130

Common Calculations

PREN (Pitting Resistance) 48
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 240
360 to 2940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27 to 40
Strength to Weight: Bending, points 21
24 to 31
Thermal Diffusivity, mm2/s 3.3
4.1
Thermal Shock Resistance, points 14
16 to 24

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.030
Chromium (Cr), % 22 to 24
15 to 17
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
69.6 to 76.4
Manganese (Mn), % 0 to 2.0
7.0 to 9.0
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
1.5 to 3.0
Nitrogen (N), % 0.21 to 0.32
0.15 to 0.3
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