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ASTM A321 Carbon Steel vs. EN 2.4889 Nickel

ASTM A321 carbon steel belongs to the iron alloys classification, while EN 2.4889 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 ASTM A321 carbon steel and the bottom bar is EN 2.4889 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
39
Fatigue Strength, MPa 270
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 420
490
Tensile Strength: Ultimate (UTS), MPa 670
720
Tensile Strength: Yield (Proof), MPa 390
270

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 400
1200
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1300
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
13
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
42
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.9
Embodied Energy, MJ/kg 18
98
Embodied Water, L/kg 46
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 400
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.55
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.090
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 98.1 to 99.25
21 to 25
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Nickel (Ni), % 0
45 to 50.4
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0.15 to 0.35
2.5 to 3.0
Sulfur (S), % 0 to 0.050
0 to 0.010