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ASTM A387 Grade 5 Steel vs. Nickel 689

ASTM A387 grade 5 steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 5 steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
350
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 21
23
Fatigue Strength, MPa 160 to 240
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
80
Shear Strength, MPa 310 to 380
790
Tensile Strength: Ultimate (UTS), MPa 500 to 600
1250
Tensile Strength: Yield (Proof), MPa 230 to 350
690

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 510
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
70
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.7
11
Embodied Energy, MJ/kg 23
150
Embodied Water, L/kg 69
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18 to 21
41
Strength to Weight: Bending, points 18 to 20
30
Thermal Shock Resistance, points 14 to 17
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.15
0.1 to 0.2
Chromium (Cr), % 4.0 to 6.0
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 92.1 to 95.3
0 to 5.0
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.45 to 0.65
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8