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HASTELLOY C-276（UNSN10276） Bar/Rod
Nickel-Chromium-Molybdenum-Tungsten Alloy for Severe Corrosive Environments
HASTELLOY C-276 bar is widely used for machined components requiring exceptional corrosion resistance in aggressive process media. The alloy resists pitting, crevice corrosion, and chloride stress corrosion cracking, and maintains excellent corrosion performance in welded and fabricated structures due to its extremely low carbon and silicon.
As a professional Chinese nickel-based alloy manufacturer, we supply HASTELLOY C-276 bars with stable chemistry, consistent mechanical properties, and flexible dimensional customization for global industrial users.
Typical supply range (custom sizes and tolerances available upon request):
Item | Range / Options | Notes |
Diameter | 6 – 450 mm | Round bar standard; square/flat/hex available by request. |
Length | Up to 6000 mm | Cut-to-length (sawing) by agreement; define tolerance if critical. |
Shape | Round / Square / Flat / Hex | Forged / hot-rolled / cold-drawn per size requirement. |
Surface finish | Black / Peeled / Ground / Polished | Surface machining available for tight tolerance. |
End | Saw-cut / Facing / Chamfer | End prep available for machining and assembly. |
Straightness / tolerance | Per ASTM/EN or as agreed | Define straightness for long shafts and precision parts. |
Delivery condition | Solution annealed (standard) | Annealed & pickled/bright depending on size/finish. |
Dimension definition: DIA × LENGTH.
• Excellent resistance to pitting and crevice corrosion in chloride media
• Outstanding resistance to chloride stress corrosion cracking (SCC)
• Strong resistance to oxidizing and reducing acids in mixed process media
• Withstands wet chlorine gas, hypochlorite, and chlorine dioxide solutions
• Extremely low carbon and silicon for improved as-welded corrosion performance
• Good fabrication and welding performance for CPI equipment
Element | Ni | Cr | Mo | Fe | W | Mn | Si | C |
HASTELLOY C-276 | Balance | 14.5–16.5 | 15.0–17.0 | 4.0–7.0 | 3.0–4.5 | ≤1.0 | ≤0.08 | ≤0.01 |
Extremely low carbon and silicon help maintain corrosion resistance in as-welded structures.
Property | Value |
Tensile Strength (Rm) | ≥ 690 MPa |
Yield Strength (Rp0.2) | ≥ 283 MPa |
Elongation | ≥ 40 % |
Hardness | ≤ 90 HRB |
Mechanical properties may vary slightly with product form and heat treatment condition.
Standard System | Specification |
ASTM / ASME | ASTM B574 / ASME SB-574 |
EN | EN 10204 |
UNS | N10276 |
DIN | 2.4819 |
JIS | NW 0276 |
Item | Range |
Diameter | 6 – 450 mm |
Length | Up to 6000 mm |
Shape | Round / Square / Flat / Hex |
Surface Finish | Black / Peeled / Ground / Polished |
End | Saw-cut / Facing / Chamfer |
Custom sizes, tight tolerances, and cut-to-length service are available upon request.
• Solution Annealed
• Annealed & Pickled (where applicable)
• Chemical processing reactors, columns, and heat exchangers
• Flue gas desulfurization (FGD) scrubbers, ducting, and absorbers
• Pulp & paper bleach plant and chemical handling equipment
• Chlorination systems and hypochlorite service equipment
• Waste incineration / pollution control systems
• Oil & gas sour service and corrosion-resistant components
• Seawater / brine handling and marine environments
HASTELLOY C-276 can be fabricated and welded using standard nickel-alloy practices.
Common welding methods include:
• GTAW (TIG)
• GMAW (MIG)
• SMAW
Matching filler metals such as ERNiCrMo-4 are typically recommended.
• EN 10204 3.1 Material Test Certificate
• Chemical composition analysis
• Mechanical testing (tensile, hardness)
• PMI / XRF testing available
• Dimensional inspection
• Third-party inspection on request (BV, SGS, TUV, DNV)
• PVC protective film on surface (where applicable)
• Wooden pallets or export-grade crates
• Seaworthy packaging for long-distance shipment
• Global delivery by sea, air, or multimodal transport
• Professional nickel-based alloy manufacturer in China
• Stable raw material sourcing and melting control
• Wide stock and fast production cycle
• Competitive pricing for global projects
• Experience with international EPC, OEM, and distributors
For quotation or technical consultation, please provide:
• Required grade (HASTELLOY C-276)
• Diameter × Length
• Quantity
• Surface finish / delivery condition
• Application environment
Our technical team will respond with datasheets, pricing, and delivery schedule promptly.
