Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Delivery Time | 7 DAYS |
| Packaging Details | PLYWOOD CASE / PALLET |
| Product Name | Hastelloy Flange |
| Dimension | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. |
| Material | UNS N10276 / 2.4819 / Hastelloy C276 |
| Size | 1/8" to 48" |
| WT | Sch 5S to Sch XXS |
| Pressure | Class150/300/600/9001500/2500 |
| Type | Threaded Flange,Slip On Flange,socket Weld Flange,weld Neck Flange,LAP Joint Flange |
| Flange Face | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Application | Petroleum, Chemical, Onshore adn Offshore, Shipbuilding, etc |
| High Light | ASTM B462 UNS N10276 Nickel Alloy Flange, Hastelloy C276 Weld Neck Flange |
| Brand Name | YUHONG |
| Model Number | ASTM B462 UNS N10276 Nickel Alloy Weld Neck Flange |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,T/T | Delivery Time | 7 DAYS |
| Packaging Details | PLYWOOD CASE / PALLET | Product Name | Hastelloy Flange |
| Dimension | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. | Material | UNS N10276 / 2.4819 / Hastelloy C276 |
| Size | 1/8" to 48" | WT | Sch 5S to Sch XXS |
| Pressure | Class150/300/600/9001500/2500 | Type | Threaded Flange,Slip On Flange,socket Weld Flange,weld Neck Flange,LAP Joint Flange |
| Flange Face | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) | Application | Petroleum, Chemical, Onshore adn Offshore, Shipbuilding, etc |
| High Light | ASTM B462 UNS N10276 Nickel Alloy Flange, Hastelloy C276 Weld Neck Flange | Brand Name | YUHONG |
| Model Number | ASTM B462 UNS N10276 Nickel Alloy Weld Neck Flange | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | Nickel Alloy Weld Neck Flange ，UNS N10276 Weld Neck Flange ，ASTM B462 Weld Neck Flange | ||
ASME B16.5 Hastelloy C276 Flange ASTM B462 UNS N10276 / 2.4819 Nickel Alloy WNRF Flange
Hastelloy C276 (UNS N10276/ 2.4819) is a nickel-chromium-molybdenum-tungsten superalloy renowned for exceptional corrosion resistance in extreme environments. Key features:
Composition: 57% Ni, 15–17% Mo, 14.5–16.5% Cr, 3–4.5% W, and ultra-low carbon (≤0.01%) to prevent carbide precipitation during welding.
Corrosion Resistance: Withstands pitting, crevice corrosion, and stress corrosion cracking (SCC) in oxidizing/reducing media, including sulfuric, hydrochloric, and phosphoric acids, chlorides, and sour (H₂S) environments. Its PREn (Pitting Resistance Equivalent) of ~69 outperforms most stainless steels.
Temperature Range: Retains strength and oxidation resistance up to 1,040°C (1,900°F), though prolonged exposure above 540°C risks carbide formation.
Testing/Certification: Complies with NACE MR0175 for sour service and ASTM B462 for wrought components. PT/RT testing is critical for high-integrity welds.
Hidden Strengths: Tungsten enhances stability in mixed acids, while electropolishing mitigates post-weld corrosion. Avoids gamma prime phase embrittlement, unlike age-hardenable alloys.
Equivalent Grades of ASTM B462 Hastelloy C276 Flange Nickel Alloy UNS N10276 Weld Neck Flange
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | OR | GOST |
| Hastelloy C276 | N10276 | 2.4819 | - | NiMo16Cr15W | NW 0276 | ЭП760 | ХН65МВУ |
Chemical Composition of of ASTM B462 Hastelloy C276 Flange Nickel Alloy UNS N10276 Weld Neck Flange
| Hastelloy C276 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.010 max | 15.00 – 17.00 | 1.00 max | 0.08 max | 4.00 – 7.00 | 0.04 max | 0.03 max | 2.5 max | 14.50 – 16.50 |
Mechanical properties (Minimum value at 20℃) of Hastelloy C276 Flange Nickel Alloy UNS N10276 Weld Neck Flange
| Tensile Strengthσb/MPa | Yield Strengthσp0.2/MPa | Elongationσ5 /% |
| 690 | 283 | 40 |
UNS N10276 / Hastelloy C276 Flange Type
WN brida forjada, bridas de cuello de soldadura – WNRF
-N10276 Welding Neck Flange(WNF) & Long Welding Neck Flange(LWNF)
-N10276 Slip-on Flange(SOF)
-Lap Joint Flange(LJW)
-N10276 bind Flange
-Socket Welding Flange (SWF)
-Threaded Flange(THW)
-Plate Flange
ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSI B16.48 flange
slip on flange, Weld Neck Flange ,Threaded Flange Blind Flange
Application
Chemical Processing: Reactors, heat exchangers, and piping in HCl, H₂SO₄, and acetic acid environments.
Oil & Gas: Subsea pipelines, downhole tools, and sour gas handling.
Pollution Control: Flue gas desulfurization (FGD) systems.
Pharmaceutical: High-purity systems requiring contamination resistance.
Marine: Seawater cooling systems and offshore platforms.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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