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Product Description
| Item | Description |
| Product Name | Hastelloy Alloy (Nickel-based Corrosion Resistant Alloy) |
| Common Grades | C-Series: Hastelloy C-276 (UNS N10276), C-22 (UNS N06022), C-4 (UNS N06455), C-2000 (UNS N06200) B-Series: Hastelloy B-2 (UNS N10665), B-3 (UNS N10675) Others: Hastelloy G-30 (UNS N06030), X (UNS N06002) |
| UNS No. | N10276, N06022, N06455, N06200, N10665, N10675, etc. (varies by grade) |
| Material Type | Ni-Cr-Mo (C-Series) or Ni-Mo (B-Series) solid-solution strengthened austenitic corrosion-resistant alloy |
| Product Forms | Plate, Sheet, Bar (Round/Square), Pipe/Tube (Seamless/Welded), Forging, Strip, Wire, Welding Consumables |
| Specifications | ASTM: B574, B575, B622, B619, B626; ASME SB Chinese GB: GB/T 15007, GB/T 15010 Others: DIN, JIS, EN 2.4819 (C-276) |
| Typical Chemical Composition (wt%) | C-276 (N10276):Ni ≥57.0, Mo 15.0-17.0, Cr 14.5-16.5, Fe 4.0-7.0, W 3.0-4.5, C≤0.01 C-22 (N06022):Ni ≥56.0, Cr 20.0-22.5, Mo 12.5-14.5, Fe 2.0-6.0, W 2.5-3.5 B-2 (N10665):Ni ≥66.0, Mo 26.0-30.0, Fe 1.0-2.0, C≤0.01, Cr≤1.0 |
| Physical Properties (Typical) | Density:8.89 g/cm³ (C-276) Melting Range:1325-1370℃ Specific Heat (20℃) :~427 J/(kg·K) Thermal Conductivity (20℃) :~11.1 W/(m·K) |
| Mechanical Properties (Typical, Solution Annealed) | Tensile Strength:≥690 MPa (C-276) Yield Strength (0.2% offset) :≥283 MPa Elongation:≥40% Hardness:≤100 HRB (≤220 HV) |
| Corrosion Resistance | Exceptional resistance to pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. Low C & Si content prevents grain boundary precipitation in HAZ. Excellent performance in wet chlorine, hypochlorites, SO₂, chloride solutions, non-oxidizing acids (HCl, dilute H₂SO₄, H₃PO₄), and organic acids. |
| Key Features | Outstanding broad-spectrum corrosion resistance (both oxidizing and reducing media); excellent mechanical properties and workability; good weldability (no pre/post-heat treatment needed for most grades); high strength at elevated temperatures; extremely low pitting/crevice corrosion tendency in chloride environments. |
| Main Applications | Chemical/Petrochemical: Reactors, heat exchangers, distillation columns, pickling systems.Environmental/Flue Gas Desulfurization (FGD) :Scrubbers, ducts, fans, dampers.Marine Engineering:Offshore platforms, desalination plants, marine piping.Nuclear Industry:Fuel reprocessing, waste treatment equipment.Pharmaceutical/Fine Chemicals:Reaction vessels, evaporators (high purity).Aerospace:Gas turbine components, afterburners (Hastelloy X).Pulp & Paper:Digesters, bleaching systems. |
| Processing & Welding | Hot Forming:Initial forging 1150-1200℃, final >950℃. Neutral to slightly oxidizing atmosphere.Cold Forming:High work hardening rate; intermediate annealing required.Welding:GTAW (TIG), GMAW (MIG), SMAW recommended. No preheat, interpass ≤150℃. Use matching filler (e.g., ERNiCrMo-4 for C-276). Post-weld heat treatment generally not required. |
| Regulatory Compliance | ASME BPVC certification (Sec. VIII, Div. 1). Compliant with EU CE PED. ISO 9001/45001 certified. Third-party inspection (TÜV, LR, DNV, SGS, BV) available. |
| Packaging | Plate/Sheet: Interleaved, oiled/protective film, steel strapped on wooden/steel pallets, wrapped with waterproof paper.Bar/Pipe:Bundled, plastic/canvas sleeve, secured in steel racks or wooden crates. Sea-worthy and export standard. Custom packaging available. |
| Storage | Store indoors in dry, ventilated area away from corrosive gases. Avoid direct contact with carbon steel to prevent galvanic corrosion. Keep surface clean and dry. |
| Shipping | Non-hazardous cargo. Protect from rain and heavy impact. Load/unload carefully with lifting gear. |
| Minimum Order Quantity (MOQ) | Stock items: negotiable (typically 500kg - 2 tons for plates/bars)Trial order: 100-500kg (limited sizes) |
| Delivery Time | Stock:1-3 working days Futures (Domestic) :15-30 working days Futures (Imported) :8-12 weeks |
| Payment Terms | T/T (30% deposit, 70% before shipment or against B/L copy), L/C at sight, D/P. Monthly payment for long-term partners negotiable. |
| HS Code (Reference) | Plate: 7220900000; Bar: 7224900000; Tube/Pipe: 7507120000. Final code depends on product form and port customs. |
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