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ACI-ASTM CK35MN Steel vs. EN 1.4729 Stainless Steel

Both ACI-ASTM CK35MN steel and EN 1.4729 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
75

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 12
24
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.5
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 5.9
2.1
Embodied Energy, MJ/kg 81
29
Embodied Water, L/kg 210
100

Common Calculations

PREN (Pitting Resistance) 48
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 3.3
6.5

Alloy Composition

Carbon (C), % 0 to 0.035
0.3 to 0.5
Chromium (Cr), % 22 to 24
12 to 14
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
80.4 to 86.7
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 1.0
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.030