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Exotic and Special Alloy Scrap

Materials that travel with nickel alloys but trade on their own terms

Quick Answer

Exotic and special alloy scrap covers materials that often travel with nickel alloys but are not nickel-base: titanium, tungsten carbide, duplex and super-austenitic stainless steels, and Ni-Resist cast iron. Each has its own HS heading, melting route and value drivers, so they are identified and sold separately from nickel alloy scrap.

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Titanium Grade 5

At a glance
UNSR56400
W.Nr.3.7165
FamilyTitanium
Density4.43 g/cm³
Main elementsTitanium 90%, Aluminium 6%, Vanadium 4%, Iron 0.3%
HS code8108.30 (customs)

Families

FamilyGradesNickelKey alloying elementsHS heading
Duplex and 254 SMO stainless scrap56–38%Cr, Mo7204.21
Ni-Resist scrap316–35%Cu, Cr, Si7204.10
Titanium scrap50%Ti, Al, V8108.30

Why They Are Kept Separate

MaterialBase metalDensity, g/cm³Quick check
TitaniumTitanium4.4–4.5Light for its size; XRF shows Ti
Duplex stainlessIron7.8Magnetic; XRF shows Fe base
254 SMOIron8.0Non-magnetic; 6% Mo, 18% Ni
Ni-ResistIron (cast)7.3–7.6Castings; OES shows carbon

See titanium vs nickel alloy.

Grades

254 SMOUNS S31254. Super-austenitic stainless steelDuplex 2205UNS S32205 / S31803. Duplex stainless steelSuper duplex 2507UNS S32750. Super duplex stainless steelSuper duplex S32760UNS S32760. Super duplex stainless steel20Mo-4UNS N08024. Nickel-iron-chromium-molybdenum corrosion alloyNi-Resist Type 1UNS F41000. Austenitic flake-graphite cast ironNi-Resist Type 2UNS F41002. Austenitic flake-graphite cast ironNi-Resist Type 5UNS F41006. Austenitic flake-graphite cast ironTitanium Grade 1UNS R50250. Commercially pure titaniumTitanium Grade 2UNS R50400. Commercially pure titaniumTitanium Grade 5UNS R56400. Alpha-beta titanium alloyTitanium Grade 7UNS R52400. Commercially pure titanium with palladiumTitanium Grade 11UNS R52250. Commercially pure titanium with palladium

FAQ

Why keep exotic alloys apart from nickel alloy scrap?

Each has its own melting route, HS heading and value drivers. Mixing titanium, duplex or Ni-Resist into a nickel alloy lot lowers the value of both.

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