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Nickel 689 vs. ASTM Grade HG10 MNN Steel

Nickel 689 belongs to the nickel alloys classification, while ASTM grade HG10 MNN steel belongs to the iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 420
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1250
590
Tensile Strength: Yield (Proof), MPa 690
250

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
21
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
4.0
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
21
Strength to Weight: Bending, points 30
20
Thermal Shock Resistance, points 35
13

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0.070 to 0.11
Chromium (Cr), % 18 to 20
18.5 to 20.5
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 5.0
57.9 to 66.5
Manganese (Mn), % 0 to 0.5
3.0 to 5.0
Molybdenum (Mo), % 9.0 to 10.5
0.25 to 0.45
Nickel (Ni), % 48.3 to 60.9
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0