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ACI-ASTM CK3MCuN Steel vs. S28200 Stainless Steel

Both ACI-ASTM CK3MCuN steel and S28200 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
45
Fatigue Strength, MPa 250
430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 620
870
Tensile Strength: Yield (Proof), MPa 290
460

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1090
900
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1350
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
12
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 5.6
2.8
Embodied Energy, MJ/kg 76
41
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 45
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
330
Resilience: Unit (Modulus of Resilience), kJ/m3 210
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
27
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.15
Chromium (Cr), % 19.5 to 20.5
17 to 19
Copper (Cu), % 0.5 to 1.0
0.75 to 1.3
Iron (Fe), % 49.5 to 56.3
57.7 to 64.1
Manganese (Mn), % 0 to 1.2
17 to 19
Molybdenum (Mo), % 6.0 to 7.0
0.75 to 1.3
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0.4 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030