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ASTM A387 Grade 21 Steel vs. EN 2.4816 Nickel

ASTM A387 grade 21 steel belongs to the iron alloys classification, while EN 2.4816 nickel belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 21 steel and the bottom bar is EN 2.4816 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
34
Fatigue Strength, MPa 160 to 250
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 310 to 370
470
Tensile Strength: Ultimate (UTS), MPa 500 to 590
700
Tensile Strength: Yield (Proof), MPa 230 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 480
1150
Melting Completion (Liquidus), °C 1470
1370
Melting Onset (Solidus), °C 1430
1320
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
55
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.8
9.0
Embodied Energy, MJ/kg 23
130
Embodied Water, L/kg 62
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18 to 21
23
Strength to Weight: Bending, points 18 to 20
21
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 14 to 17
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.050 to 0.15
0.050 to 0.1
Chromium (Cr), % 2.8 to 3.3
14 to 17
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 94.4 to 96
6.0 to 10
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
72 to 80
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.3