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EN 1.4982 Stainless Steel vs. ACI-ASTM CK3MCuN Steel

Both EN 1.4982 stainless steel and ACI-ASTM CK3MCuN steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 1.4982 stainless steel and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
39
Fatigue Strength, MPa 420
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 750
620
Tensile Strength: Yield (Proof), MPa 570
290

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 540
420
Maximum Temperature: Mechanical, °C 860
1090
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.9
5.6
Embodied Energy, MJ/kg 71
76
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 19
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
200
Resilience: Unit (Modulus of Resilience), kJ/m3 830
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.4
3.2
Thermal Shock Resistance, points 17
14

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0 to 0.025
Chromium (Cr), % 14 to 16
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 61.8 to 69.7
49.5 to 56.3
Manganese (Mn), % 5.5 to 7.0
0 to 1.2
Molybdenum (Mo), % 0.8 to 1.2
6.0 to 7.0
Nickel (Ni), % 9.0 to 11
17.5 to 19.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.15 to 0.4
0