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ACI-ASTM CK35MN Steel vs. EN 1.4557 Stainless Steel

Both ACI-ASTM CK35MN steel and EN 1.4557 stainless steel are iron alloys. They have a moderately high 94% 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 EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
40
Fatigue Strength, MPa 270
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 650
560
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 5.9
5.6
Embodied Energy, MJ/kg 81
76
Embodied Water, L/kg 210
190

Common Calculations

PREN (Pitting Resistance) 48
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.020
Chromium (Cr), % 22 to 24
19.5 to 20.5
Copper (Cu), % 0 to 0.4
0.5 to 1.0
Iron (Fe), % 43.4 to 51.8
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 6.0 to 6.8
6.0 to 7.0
Nickel (Ni), % 20 to 22
17.5 to 19.5
Nitrogen (N), % 0.21 to 0.32
0.18 to 0.24
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010