MakeItFrom.com
Menu (ESC)

ACI-ASTM CK3MCuN Steel vs. S39274 Stainless Steel

Both ACI-ASTM CK3MCuN steel and S39274 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK3MCuN steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 39
17
Fatigue Strength, MPa 250
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 620
900
Tensile Strength: Yield (Proof), MPa 290
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 5.6
4.3
Embodied Energy, MJ/kg 76
60
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 45
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 14
25

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
24 to 26
Copper (Cu), % 0.5 to 1.0
0.2 to 0.8
Iron (Fe), % 49.5 to 56.3
57 to 65.6
Manganese (Mn), % 0 to 1.2
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
2.5 to 3.5
Nickel (Ni), % 17.5 to 19.5
6.0 to 8.0
Nitrogen (N), % 0.18 to 0.24
0.24 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5