Inconel 600 (UNS N06600, W.Nr.2.4816) & Inconel 625 (UNS N06625, W.Nr.2.4856) form core nickel superalloy package for full nuclear reactor auxiliary & core accessory construction.
Inconel 625: Nb-Mo strengthened high-strength alloy, outstanding anti-radiation embrittlement, chloride SCC & mixed acid resistance, designated for reactor internals, primary coolant & radioactive waste handling systems in PWR/BWR/advanced small modular reactor (SMR).
Emily PIPE supplies nuclear-grade seamless tube, solid bar & machined blanks fully compliant with ASME Section III & NQA-1 nuclear quality standard, stable batch supply for global nuclear EPC owners.
| Item | Details |
|---|---|
| Executive Standards | 1.Material Spec: ASTM B166/SB166(600), ASTM B444/B446/SB444(625)
2.Nuclear Standard: ASME Section III, NQA-1, RCC-M (French nuclear), KTA 3.Pressure Code: ASME B31.1/B31.3; Test: ASTM E8 tensile, ASTM G48 corrosion, ET/UT/Hydro test per nuclear specification |
| Material Grade | 1.Inconel600: UNS N06600, 2.4816, Ni72Cr16Fe8
2.Inconel625: UNS N06625,2.4856, Ni-base Cr21Mo9Nb3 3.Special Grade: Nuclear reactor grade(VIM+VAR), conventional power grade, seawater cooling nuclear unit grade |
| Chemical Composition(Wt%) | Inconel600: Ni≥72,Cr14.0–17.0,Fe6.0–10.0,C≤0.15,Si≤0.5,Mn≤1.0
Inconel625: Ni≥58,Cr20.0–23.0,Mo8.0–10.0,Nb+Ta3.15–4.15,Fe≤5.0,C≤0.10 Nb&Mo in 625 deliver solid-solution strengthening & anti-local corrosion; high Ni-Cr in600 ensures high temp oxidation resistance |
| Annealed Mechanical Property | Inconel600: Tensile≥550MPa,Yield≥240MPa,Elong≥30%,HB140–190,Max continuous temp980℃
Inconel625 Grade2(Solution Annealed Nuclear Grade):Tensile≥690MPa,Yield≥276MPa,Elong≥30%,HB180–235,Max continuous service870℃ |
| Dimensional Tolerance | Seamless Tube:OD6–50mm±0.15mm;OD50–168mm±0.3mm,wall±0.1mm
Round Bar:Ø6–50±0.3mm;Ø50–300±0.6mm Custom U-bend tube: ovality＜3%OD, bend tolerance±0.5mm;length±2mm,max cut length18m |
| Core Nuclear Application Reason | 1.Anti-Irradiation Performance: Both grades keep stable mechanical property under long-term neutron radiation;625 preferred for core internals due to ultra-low irradiation embrittlement, fit reactor core barrel & positioning components
2.Primary Coolant Circuit(625 exclusive): Resist high-temp boric acid+chloride coolant under 155bar/320℃, anti-SCC for penetration sleeve & instrumentation guide tube 3.Secondary Steam Loop(600 mainstream): Anti-caustic corrosion & high temp oxidation for steam generator auxiliary piping, feedwater heater tubing 4.Radioactive Waste Treatment:625 withstand mixed acid waste liquid(HF/H₂SO₄/HCl), used for waste concentration tank piping & filter core parts 5.Control Rod & Fuel Assembly:600 for control rod outer casing;625 for fuel assembly nozzle & fastener components |
| Application & End Users | 1.PWR/BWR Conventional Nuclear Island
App:Steam generator auxiliary parts, primary penetration tube, reactor internals, waste treatment piping Clients:Westinghouse,EDF,Areva,China General Nuclear,CNNC 2.Small Modular Reactor(SMR)&Advanced Nuclear App:Compact core structure, integrated coolant heat exchanger, reactor vessel fittings Clients:NuScale, Rolls-Royce SMR, domestic new nuclear R&D institute 3.Coastal Nuclear Power Plant(seawater cooling) App:Circulating cooling heat exchanger tube, seawater desalination nuclear auxiliary piping Clients:Global coastal nuclear EPC contractors 4.Nuclear Fuel Processing Factory App:UF6 conversion equipment piping, acid leach pipeline Clients:Cameco, Orano, CNNC uranium division |
| Nuclear End User Technical Requirement | 1.Performance: Anti-neutron irradiation, anti-boric acid/caustic/chloride corrosion, stable creep property under long-term high temp-pressure
2.Quality: NQA-1 nuclear quality system certification, full heat number traceability from ingot to finished piece, third-party independent inspection available 3.Manufacture: Nuclear-grade vacuum double melting, strict non-metallic inclusion control, 100% NDT(UT+ET+Hydrostatic test) before delivery, low-sulfur customized melt option |
| Related Nuclear Standard Products | 1.Seamless Pipe/Tube:Primary coolant tube, heat exchanger U-tube, process pipeline
2.Solid Round Bar:Core fastener, control rod blank, valve shaft, machined component raw stock 3.Forgings:Reactor penetration flange, valve body, custom core structural forging 4.Fittings:Elbow,tee,reducer,special nuclear custom spool 5.Welding Consumables:ERNiCr-3(600 weld wire),ERNiCrMo-3(625 weld wire) 6.Plate&Sheet:Waste tank liner, nuclear equipment shell fabrication blank |
| Why Select Emily PIPE | 1.20+ years nuclear alloy export experience, delivered products to over 70 global nuclear construction projects
2.NQA-1&ASME nuclear certified production workshop, independent nuclear QC laboratory 3.Available spot inventory for regular size, fast delivery for nuclear emergency spare parts 4.Metallurgical engineer team support nuclear material grade selection & processing solution 5.One-stop service:cutting,bending,CNC machining,pre-fabrication of piping spool per customer drawing |
| Extra Industry Info | 1.Every batch full MTR includes chemical analysis,mechanical data,NDT&corrosion test report
2.Provide nuclear special third-party witness inspection per client request 3.Global nuclear Inconel market CAGR6.2%~2030,driven by SMR&new nuclear unit construction worldwide 4.All raw material&finished products fully recyclable conform nuclear environmental management |
| Export Packaging | 1.Pipe end sealed with thick anti-rust plastic cap,each piece wrapped anti-corrosion PE film
2.Same spec bundled with steel strip+wood spacer 3.Fumigated ISPM15 export wooden case with steel reinforcing frame 4.Clear marking:Grade,OD*WT,Heat No.,Batch No.,Destination on each case |
Need nuclear-grade Inconel600/625 tube or bar? Send dimension, working medium & nuclear standard requirement, customized quotation & technical sheet offered promptly.