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Stainless Steel Forged Weld Neck Flange

Stainless Steel Forged Weld Neck Flange

MOQ
From 500 kg; volume pricing available for 1,000 kg / 5,000 kg+ orders
Pricing Basis
FOB Shanghai / Ningbo Port; CFR, CIF and other terms available
Lead Time
7–20 working days for standard orders; calculated from order confirmation and deposit receipt
Payment Terms
T/T; terms confirmed based on order value and project requirements
Packaging
Standard seaworthy export packaging; customized packaging available
Samples
Available upon request
Customization
Custom sizes, grades, surface finishes and processing available

Note: MOQ, pricing, lead time and payment terms may vary depending on product grade, specifications, order quantity and processing requirements. Please contact QueenMetal (ding@queenmetalgroup.com) for a product-specific quotation.

Product Introduction

Stainless Steel Forged Weld Neck Flange is a high-strength pipe connection component designed for demanding piping systems where reliable performance under pressure and mechanical stress is required. Its long tapered hub and butt-weld connection provide a smooth transition between the pipe and flange, helping improve load distribution and connection stability. Forged construction offers excellent structural integrity, dimensional accuracy, and resistance to mechanical stress, while stainless steel provides strong corrosion resistance. Common grades include 304, 304L, 316, and 316L stainless steel for a wide range of industrial environments. Custom sizes, pressure ratings, facing types, dimensions, and precision machining are available according to applicable standards and project requirements.

Specifications

Item Specification
Product Type Stainless Steel Forged Weld Neck Flange
Material Stainless Steel
Common Grades 304 / 304L / 316 / 316L / Other grades available upon request
Material Characteristics High Strength / Corrosion Resistance / Pressure Resistance / Dimensional Stability
Manufacturing Process Forged / Precision Machined
Standard ASME / ANSI / DIN / EN / JIS / Other applicable standards
Flange Type Weld Neck Flange
Nominal Size Various standard sizes / Customized
Pressure Rating According to applicable standards / Customized
Facing RF / FF / RTJ / Other types according to requirements
Bore Standard / Customized to Pipe Dimensions
Hub Design Long Tapered Hub / Butt-Weld Connection
Bolt Hole Standard drilling / Customized Bolt-Hole Pattern
Surface Finish Machined / Mill Finish / Polished / Customized
Dimensions According to applicable standards or Customer Drawings
Tolerance According to applicable standards or customer requirements
Processing Forging / CNC Machining / Drilling / Cutting / Polishing
Customization Grade / Size / Thickness / Bore / Hub / Facing / Bolt Holes / Pressure Rating / Machining

Need a Customized Solution?

If you cannot find a stainless steel forged weld neck flange for your project, please contact Queen Metal. We provide customized solutions based on your required grade, dimensions, standard, surface finish, end treatment, and application.

Send us your specifications, technical requirements, drawings, or parameter files, and our team will provide a suitable quotation and supply solution.

Email: ding@queenmetal.com

Applications & Industries

Industry Typical Applications
Oil & Gas High-pressure pipelines, process piping, valves and equipment connections
Petrochemical Process pipelines, pressure systems and industrial equipment
Chemical Processing Corrosive fluid piping and process equipment
Power Generation High-pressure piping, steam systems and power equipment
Marine & Offshore Corrosion-resistant piping and offshore equipment
Water Treatment Pumps, pipelines, valves and water treatment systems
Industrial Equipment Pressure vessels, pumps, valves and heavy-duty piping systems
General Engineering Fabricated piping, machinery and industrial connection systems

Quality Assurance & Testing

Inspection / Testing Details
Material Verification Chemical composition verification according to applicable standards
PMI Testing Positive Material Identification available according to requirements
Dimensional Inspection Flange OD, bore, thickness, hub dimensions, bolt-hole position, PCD and overall dimensions
Surface Inspection Visual inspection for surface defects and machining condition
Mechanical Testing Tensile and yield strength testing where required
Hardness Testing Available according to material and order requirements
Forging Inspection Inspection of forging condition, structural integrity and dimensional consistency
Machining Inspection Precision verification of facing, bore, hub and bolt-hole dimensions
Weld Preparation Inspection Inspection of weld-end dimensions and preparation according to applicable standards
Pressure / Leakage Testing Available according to application and project requirements
MTC Material Test Certificate available according to order requirements
Third-Party Inspection SGS / BV or other third-party inspection available upon request

Packaging & Logistics

Item Details
Packaging Standard Export-standard stainless steel flange packaging
Surface Protection Protective film or suitable surface protection where applicable
Individual Protection Each flange protected against scratching, impact and surface damage during handling and transportation
Bundling Bundled or separated according to flange size and order requirements
External Packaging Waterproof paper / Plastic wrapping where applicable
Wooden Packaging Wooden cases or pallets available according to product size and shipping requirements
Shipping Method Container / Bulk shipment
Transportation Protection Suitable protection for long-distance ocean transportation
MOQ According to grade, size, standard and order requirements
Lead Time Confirmed according to material availability, processing and order quantity
Customized Logistics Packaging, marking and shipping arrangements available according to customer requirements

FAQS

1. What is a Stainless Steel Forged Weld Neck Flange?

A Stainless Steel Forged Weld Neck Flange is a high-strength flange with a tapered hub and butt-weld connection designed for reliable connection of pipes and equipment in demanding piping systems.

2. What are the advantages of a Weld Neck Flange?

Its tapered hub provides a gradual transition between the pipe and flange, helping distribute mechanical loads and making the flange suitable for high-pressure, high-temperature, and demanding piping applications.

3. What stainless steel grades are commonly available?

Common grades include 304, 304L, 316, and 316L stainless steel, while other grades can be supplied according to the operating environment and project requirements.

4. Can the Weld Neck Flange be customized?

Yes. Size, thickness, bore, hub dimensions, pressure rating, facing, bolt-hole pattern, tolerances, and machining requirements can be customized according to customer drawings or applicable standards.

5. What inspection and certification documents can be provided?

Queen Metal can arrange material verification, PMI, dimensional inspection, mechanical testing, MTC, and third-party inspection such as SGS or BV according to order and project requirements.

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