Nickel Alloy Weld Neck Flange Suppliers and Manufacturers
Explore 15 verified suppliers offering Nickel Alloy Weld Neck Flange with options for customization, various standards like DIN and ANSI, and origins in China. Compare response times, lead times, and certifications to select the right partner for your project needs today.
Suppliers List

Suzhou Graceland Trading Co., Ltd.
- Trading Company
- China Jiangsu
- Lead time15 days
- Avg. response≤ 21h
Main productsFin Tube, Heat Exchanger, Clad Plate, Spherical Tank, Copper Tube&Pipe, Seamless Stainless Steel Pipe&Tube, CNC Machining Parts, Precision Part, Steel Plate, Flange
Main marketsSoutheast Asia/ Mideast,Europe

Jiangyin Rension International Trading Co., Ltd.
- Trading Company,Manufacturer/Factory
- China Jiangsu
- Lead time23 days
- Avg. response≤ 25h
Main productsContainer, Corner Casting, Twist Lock, Container Spare Parts, Marine Lashing Parts, Trailer Parts, Container Door Locking Gear, Container Corner Fitting, Container Lashing Parts, Stainless Steel Flange
Main marketsSouth America,Eastern Europe,Mid East,North America,Southeast Asia,Eastern Asia,Oceania,Western Europe,Africa

Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
- Manufacturer
- China Shanghai
- Lead time23 days
- Avg. response≤ 4h
Main productsForging, Forging Part, Forged Ring, Forged Shaft, Big Flange, Flange, Forged, Steel Flange, Machinery Part, Pipe Fitting
Main marketsSoutheast Asia/ Mideast,Europe

Guangzhou Kingmetal Steel Industry Co., Ltd.
- Verified by BV
- Trading Company
- China Guangdong
- Lead time60 days
- Avg. response≤ 6h
Main productsSteel Pipes, Pipes Fittings, Socket Fittings, Flange, Angle Bar, C Chanel, Steel Coils, Steel Plate, Valves, Grooved Fittings
Main marketsSouth America,Africa,Southeast Asia/ Mideast,Europe,North America

WENZHOU LONGVA MACHINE CO.,LTD
- Verified by BV
- Trading Company,Manufacturer/Factory,Group Corporation,Other
- China Zhejiang
- Lead time15 days
- Avg. response≤ 10h
Main productsMixing Tanks, Liquid Cooling Valve and Fittings, Sanitary Valves, Sanitary Pipe Fittings, Pumps, Flexible Hose & Adapter, Vacuum Fittings & Valves, Industrial Valves & Fittings, Storage Tanks, Fermentation Tank
Main marketsSouth America,Eastern Europe,Mid East,North America,Southeast Asia,Eastern Asia,Oceania,Western Europe,Africa

Jiangyin Dongsheng Flange Co., Ltd.
- Combined
- China Jiangsu
- Lead time45 days
Main productsFlange, Flanges, Stainless Steel Flanges, Forged Steel Flanges, Pipe Flanges, Stainless Steel Flange
Main marketsAfrica,Europe



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HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED
- Verified by BV
- Trading Company,Manufacturer/Factory
- China Shanghai
- Lead time23 days
- Avg. response≤ 15h
Main productsPipe Fitting, Flange, Valve, Carbon Steel Pipe, Gasket, Fastener, Stainless Steel Pipe
Main marketsSouth America,Eastern Europe,Mid East,North America,Southeast Asia,Eastern Asia,Oceania,Western Europe,Africa
Qingdao L&C Import and Export Co., Ltd.
- Trading Company
- China Shandong
- Lead time45 days
- Avg. response≤ 3h
Main productsCoupling, Pipe Fitting, Valves, Hardwares, Stainless Steel Press Fittings, No Hub Couplings, Flanges, Pipe Repair Clamp, Loop Hangers, Grooved Fittings
Main marketsOthers(foreignTradeCapacity.exportBusinessCapacityMarketOther),Southeast Asia/ Mideast,Europe,North America

Baoding Xinlongtongda Trade Co., Ltd.
- Trading Company
- China Hebei
- Lead time30 days
- Avg. response≤ 10h
Main productsInvestment Casting, Sand Casting, Die Casting, Lost Wax Casting, CNC Machining, Ratchet Tie Down, Precision Casting, Forging, Stamping Parts, Steel Casting
Main marketsDomestic,Europe,North America
Wenzhou Long'an Flange Co., Ltd.
- Verified by SGS
- Combined
- China Zhejiang
- Lead time15 days
- Avg. response≤ 4h
Main productsFlange, Tube Sheet, Valves, Pipe Fittings
Main marketsDomestic

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Moq: 100






Hebei Pipeline Equipment HN Co., Ltd.
- Verified by SGS
- Manufacturer/Factory
- China Hainan
- Lead time0 days
- Avg. response≤ 21h
Main productsSteel Pipes, Pipe Fittings (Elbow Tee Reduer Cap...), Flange, Pipe Spool, Thermal Insulation Pipe, Anti-Corrosion Pipe
Main marketsSouth America,Eastern Europe,Mid East,North America,Southeast Asia,Eastern Asia,Oceania,Western Europe,Africa
- Verified by BV
- Combined
- China Shandong
- Lead time23 days
- Avg. response≤ 1h
Main productsForged Flange, Forging Ring, Mill Part, Gear, Precision Forged Flanges, Custom Forged Gear Rings, High Pressure Forged Flanges, Pellet Mill Ring Dies, Stainless Steel Forged Shafts, Large Ring Rolling Machine Parts
Main marketsEurope
Henan Ebon Machinery Co., Ltd.
- Trading Company
- China Henan
- Lead time30 days
- Avg. response≤ 21h
Main productsWheel, Forged Wheel, Crane Wheel, Railway Wheel, Hydro Dam Wheel, Hook, Drum, Flange, Shaft, Bearing Box
Main marketsSouth America,Africa,Southeast Asia/ Mideast,Australia
Cangzhou Yiwen Pipeline Equipment Co., Ltd
- Verified by TUVRHEINLAND
- Manufacturer/Factory
- China Hebei
- Lead time0 days
- Avg. response≤ 1h
Main productsPipe Reducer, Pipe Cap, Pipe Elbow, Pipe Tee, Pipe Bend, Forged Fittings, Steel Pipe, Flanges
Main marketsSouth America,Eastern Europe,Mid East,North America,Southeast Asia,Eastern Asia,Oceania,Western Europe,Africa
Xingsheng Mechanical Technology Co., Ltd.
- Verified by SGS
- Combined
- China Zhejiang
- Lead time15 days
- Avg. response≤ 3h
Main productsFlange, Valve
Main marketsSouth America,Southeast Asia/ Mideast
Comprehensive Sourcing Guide
Nickel Alloy Weld Neck Flange Supplier Concentration and Factory Types
Suppliers matching this keyword on the current page cluster in a few Chinese provinces, with Jiangsu appearing most frequently among the listed results, followed by Shanghai and Guangdong. Several of the Jiangsu listings also tie flange products to Suzhou as a point of origin, which is consistent with the province's established metalworking base. Because these locations come directly from supplier profiles, they are reliable anchors for a shortlist. A practical approach is to group candidates by province first, then by whether they describe themselves as manufacturers or trading companies, since that label shapes what you can verify directly on site. A smaller number of listings also reference origins outside the coastal clusters, which can widen the geography.
Factory type matters as much as geography here. The results show trading companies alongside hybrid trading-company-plus-factory entities and pure manufacturers, and the pure manufacturer in this set advertises forging as its core business with flanges among its main products. For nickel alloy weld neck flanges, a supplier whose main product list includes flanges, forgings, and pipe fittings is more likely to have relevant processing depth than one listing flanges incidentally among unrelated hardware. Note that alloy material specialization is not always visible from a profile, so treat the factory-type label and product mix as screening criteria rather than proof of nickel alloy capability. Confirm melt practice, forging capacity, and alloy grades directly during qualification.
How to Verify Nickel Alloy Weld Neck Flange Suppliers
Start with what the platform itself displays. In the current results, one supplier lists ISO 9001 as a system certification and another shows an ISO9001:2015 certificate, while others display no certification at all — an absence that is a data gap, not proof of poor quality. Company type labels (trading company, manufacturer, or combined) are also displayed per listing and should be cross-checked: a self-declared manufacturer should be able to name its forging equipment and alloy material sources. Response time is another verifiable signal visible on this page, ranging from about three hours to twenty-five hours across suppliers; a slow displayed response time usually predicts slow technical communication on alloy queries too.
Beyond platform data, verification for this category should focus on metallurgical traceability. Ask each candidate for material test certificates tied to heat numbers, confirmation of the alloy grade and standard (some listings cite ANSI, DIN, GB, JIS, GOST, or TUV references), and details of any third-party inspection they permit. Because nickel alloy forgings are frequently misrepresented by grade substitution, an independent chemical composition check on incoming material is a reasonable category-specific safeguard. Also verify that the stated production method — forging in every listing on this page — matches what you require, and ask which steps are done in-house versus subcontracted, since trading companies may not control the forging or heat treatment directly.
What to Compare Across Nickel Alloy Weld Neck Flange Suppliers
Build a comparison table from the attributes actually shown per supplier, recognizing that not every listing displays every field. On this page, lead times of fifteen and twenty-three days appear for different suppliers, response times range from roughly three to twenty-five hours, and minimum order quantities of one, ten, and fifty pieces are shown on individual products. Location, company type, main products, and OEM/ODM capability round out the visible dimensions. One manufacturer lists OEM and ODM capacity; another trading company lists OEM and ODM as well. Record exactly what each supplier shows rather than assuming a field applies across the board, and flag gaps as questions for the next contact round.
Weight these fields against your order profile. If you need a small qualification batch, the supplier showing an MOQ of one piece on a long weld neck flange is structurally easier to start with than one showing fifty; if you need repeat volume, lead time consistency and factory type matter more than the first-order minimum. Response speed matters disproportionately in this category because alloy grade confirmation, heat treatment parameters, and dimension checks generate back-and-forth that a supplier answering in three hours will resolve faster than one answering in twenty-five. Main product lists also deserve weighting: suppliers whose catalogs center on flanges, forgings, and pipe fittings will handle weld neck geometry questions more competently than diversified hardware traders.
Common Nickel Alloy Weld Neck Flange Sourcing Risks
Grade substitution is the dominant risk. Nickel alloy flanges command a price premium, and listings on this page show flanges offered in carbon steel, stainless steel, and alloy variants under similar descriptions — sometimes within a single supplier's range. A quote that seems unusually low for a nickel alloy grade may in fact be a stainless or coated carbon steel part, so require material certificates and, for critical service, independent composition testing before shipment. A second risk is standard mismatch: the listings cite GB, DIN, ANSI, JIS, GOST, BSW, and other frameworks, and a flange dimensioned to the wrong standard will not mate with your piping even if the material is correct.
Trading structure creates a third risk. When a trading company sits between you and an unnamed forging source, you lose visibility into which mill produced the material and who is accountable for defects; several listings here are trading companies or hybrids, so ask who performs forging, heat treatment, and machining. Sealing surface and connection details are a fourth trap — the page shows both RF and FF facing types across listings — so dimension drawings should be confirmed in writing. Finally, packing and transit damage is a recurring issue for machined sealing faces; listings mention plywood cases and wooden boxes, but confirm face protection explicitly, since a nicked weld neck face often means rework or rejection on arrival.
Nickel Alloy Weld Neck Flange Regional Sourcing and Logistics
The three provinces visible in the current results offer different logistical profiles. Shanghai-based suppliers sit at a major port city, which simplifies container loading and can shorten the inland-leg of transit; the Shanghai listing in this set is a manufacturer with forging as its declared core. Jiangsu suppliers — the most numerous in these results — are adjacent to Shanghai's port infrastructure, so ocean freight access is similar even though the factories are inland; one Jiangsu product specifies Suzhou as its origin. Guangdong suppliers are considerably further south, which lengthens inland transport but puts them near southern ports; a Guangdong listing in this set focuses on pipes, fittings, and flanges among its main products.
For logistics planning, use the packing details that suppliers actually state. Listings on this page specify plywood cases, strong plywood cases, wooden boxes, and "wooden case or as your requirement," which is a reasonable baseline for protecting machined flange faces; confirm internal face protection and case markings for alloy traceability. Displayed lead times of fifteen and twenty-three days across suppliers give a planning envelope for production, but alloy material availability can extend this, so ask whether the nickel alloy stock is on hand or purchased per order. When comparing regions, weigh total landed time — production lead plus inland transit plus port processing — rather than quoted lead time alone, especially for Guangdong versus the Yangtze Delta cluster.
Nickel Alloy Weld Neck Flange Commercial Terms and Order Planning
Plan your first order around the MOQ and price evidence suppliers display, not around assumptions. In the current results, individual flange listings show minimum orders of one, ten, and fifty pieces, and displayed price ranges vary widely — one listing shows a range spanning a few dollars to thousands per unit, reflecting size and customization spread rather than a fixed price. Treat displayed prices as indicators only; nickel alloy pricing depends on the specific grade, metal market conditions, dimensions, and pressure class, none of which a listing can fully encode. Request quotations against your exact drawing, standard, and grade, and ask suppliers to separate material cost from forging and machining so you can see what drives the number.
Order structure should reflect the verification burden of this category. Sequence a small qualification lot — the one-piece MOQ shown on one long weld neck flange listing makes this feasible with at least one supplier here — then scale to the ten- or fifty-piece MOQ tiers shown elsewhere once material certificates and dimensional reports are approved. Negotiate inspection rights before payment terms, since third-party or in-factory inspection is your main defense against grade substitution. Confirm packing specification (plywood or wooden case per the listings), sealing surface type, and marking requirements in the purchase contract. For repeat orders, prioritize the suppliers that demonstrated fast response times and stable lead times during the qualification cycle, and document agreed parameters so future orders require only reconfirmation.
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FAQs
What standards are available for welding neck flanges?
Suppliers offer flanges compliant with GB, DIN, ANSI, JIS, and other international standards. You can select specific standards based on your project requirements. Customization is available to meet unique specifications. Ensure the chosen standard aligns with your piping system design and local regulations for safety and compatibility.
What is the typical lead time for orders?
Lead times vary by supplier, ranging from 15 to 23 days. Some manufacturers provide faster turnaround depending on stock availability. Confirm the exact delivery schedule with your chosen supplier before placing an order. This ensures your project timeline remains on track without unexpected delays in material supply.
What is the minimum order quantity for flanges?
Minimum order quantities differ among suppliers, with some requiring as few as one piece, while others set limits at 10 or 50 units. Check the specific MOQ for your selected product model. This flexibility allows both small-scale repairs and large industrial projects to source the necessary components efficiently.
Where are these flanges manufactured?
Manufacturing locations include Jiangsu, Shanghai, and Guangdong in China. Some suppliers also list origins in Shanxi. Verify the specific production site for your order to ensure quality control standards. Proximity to ports may also influence shipping logistics and overall delivery costs for international buyers.
What certifications do suppliers hold?
Many suppliers hold ISO 9001 or ISO 9001:2015 certifications. Some products also comply with TUV or PED standards. These certifications indicate adherence to quality management systems. Always request valid certification documents to verify compliance with your industry's regulatory requirements and ensure product reliability.
What materials are used for welding neck flanges?
Common materials include carbon steel, stainless steel, and alloy steel. Specific grades like SA105n and SS316 are frequently available. Material selection depends on your application's pressure and temperature requirements. Suppliers offer customization options to match specific material specifications for optimal performance and durability in your piping system.










































