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ACI-ASTM CK35MN Steel vs. EN 1.4378 Stainless Steel

Both ACI-ASTM CK35MN steel and EN 1.4378 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
14 to 34
Fatigue Strength, MPa 270
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 650
760 to 1130
Tensile Strength: Yield (Proof), MPa 310
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 5.9
2.7
Embodied Energy, MJ/kg 81
39
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 48
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 240
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28 to 41
Strength to Weight: Bending, points 21
24 to 31
Thermal Shock Resistance, points 14
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.080
Chromium (Cr), % 22 to 24
17 to 19
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
61.2 to 69
Manganese (Mn), % 0 to 2.0
11.5 to 14.5
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
2.3 to 3.7
Nitrogen (N), % 0.21 to 0.32
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030