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EN 1.4849 Stainless Steel vs. ACI-ASTM CK3MCuN Steel

Both EN 1.4849 stainless steel and ACI-ASTM CK3MCuN steel are iron alloys. They have 77% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
39
Fatigue Strength, MPa 120
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 480
620
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 620
420
Maximum Temperature: Mechanical, °C 1020
1090
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 42
29
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 7.1
5.6
Embodied Energy, MJ/kg 100
76
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 20
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
200
Resilience: Unit (Modulus of Resilience), kJ/m3 160
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.025
Chromium (Cr), % 18 to 21
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 32.6 to 43.5
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 0 to 0.5
6.0 to 7.0
Nickel (Ni), % 36 to 39
17.5 to 19.5
Niobium (Nb), % 1.2 to 1.8
0
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010