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ACI-ASTM CK35MN Steel vs. EN 1.4634 Stainless Steel

Both ACI-ASTM CK35MN steel and EN 1.4634 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
21
Fatigue Strength, MPa 270
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 650
540
Tensile Strength: Yield (Proof), MPa 310
280

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
500
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1430
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
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.5
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
2.9
Embodied Energy, MJ/kg 81
42
Embodied Water, L/kg 210
140

Common Calculations

PREN (Pitting Resistance) 48
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
93
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
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 3.3
5.8
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Carbon (C), % 0 to 0.035
0 to 0.030
Chromium (Cr), % 22 to 24
17.5 to 18.5
Copper (Cu), % 0 to 0.4
0 to 0.5
Iron (Fe), % 43.4 to 51.8
74.9 to 81.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 6.8
0 to 0.5
Nickel (Ni), % 20 to 22
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0 to 1.0
0.2 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.050