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AISI 414 Stainless Steel vs. ACI-ASTM CK35MN Steel

Both AISI 414 stainless steel and ACI-ASTM CK35MN steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 414 stainless steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17
40
Fatigue Strength, MPa 430 to 480
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 900 to 960
650
Tensile Strength: Yield (Proof), MPa 700 to 790
310

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.1
5.9
Embodied Energy, MJ/kg 29
81
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 13
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1260 to 1590
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 34
22
Strength to Weight: Bending, points 27 to 28
21
Thermal Diffusivity, mm2/s 6.7
3.3
Thermal Shock Resistance, points 33 to 35
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.035
Chromium (Cr), % 11.5 to 13.5
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 81.8 to 87.3
43.4 to 51.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 1.3 to 2.5
20 to 22
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020