Stainless Steel Flange Forged Or Machined Ring Shaped Component

Stainless Steel Flange Forged Or Machined Ring Shaped Component
Basic Properties
Place of Origin: China
Certification: AISI, ASTM, GB, DIN, BS, JIS
Trading Properties
Minimum Order Quantity: 1,000 kg
Price: Based on order specifications
Payment Terms: L/C,T/T
Product Custom Attributes
Highlight

stainless steel flange forged

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forged custom cut stainless steel

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machined stainless steel flange

Steel Grade:
201, 430, 304, 304L, 316, 316L, 310S, 317, 317L, 321, 904L, 2205, 2507, Etc
Trade Term:
Ex-Work, FOB, CNF, CFR, CIF, Etc
Size & Tolerance:
Please Contact Us For Inquiries
Product Description
Detailed Specifications & Features

Stainless Steel Flange, forged or machined ring-shaped component

Stainless Steel Flange
What is Stainless Steel Flange?

A stainless steel flange is a forged or machined ring-shaped component used to connect pipes, valves, pumps, and other equipment to form a piping system. Flanges are typically welded or threaded onto the pipe end and then bolted together with a gasket in between to create a leak-proof seal. They allow for easy assembly, disassembly, and maintenance of piping systems.

Why Choose Stainless Steel Flange?

Stainless steel flanges offer excellent corrosion resistance, high strength, and long service life in demanding environments. They maintain sealing integrity under high pressure and temperature, are easy to install and remove for system maintenance, and provide reliable performance in chemical, marine, and food-grade applications. Compared to carbon steel flanges, stainless steel flanges require no additional coating and resist rust even in wet or corrosive conditions.

Process Overview

Stainless steel flanges are manufactured through several key steps. First, a stainless steel billet is heated and forged into a rough ring shape. The forged ring is then machined to precise dimensions, including the bore, outer diameter, bolt holes, and sealing face. Common facing types include raised face (RF), flat face (FF), and ring-type joint (RTJ). After machining, the flange may undergo heat treatment to relieve stress and restore corrosion resistance. Finally, the flange is inspected for dimensional accuracy and surface finish before packaging.

Specifications
  • Dimension: DN15 (1/2") - DN3000 (120")
  • Grades: 304(L), 316(L), 304H, 316H, 316Ti, 309, 310S, 321(H), 317(L), 347(H), 254SMO, 904(L); S31803, S32205 (2205), S32750 (2507), S32760
  • Hot Selling Products: SO Flange, WN Flange, PL Flange, SW Flange, BL Flange, LJ Flange, TH Flange
  • Customized size needs to be confirmed with us.
Applications
Industry Applications
Oil & Gas Pipeline connections, refinery systems, offshore platforms
Chemical Processing Reactor connections, chemical transfer lines, storage tank nozzles
Water & Wastewater Pump connections, treatment plant piping, desalination systems
Food & Beverage Sanitary process lines, dairy equipment, brewery piping
Pharmaceutical Cleanroom piping systems, sterile process connections
Power Generation Boiler connections, steam lines, cooling water systems
Marine & Shipbuilding Deck piping, ballast systems, engine room connections
HVAC & Fire Protection Chiller connections, fire sprinkler risers, heating systems

 

Frequently Asked Questions
Why Does Stainless Steel Have Magnetism?

Stainless steel can be magnetic depending on its internal structure. Austenitic grades like 304 and 316 are normally non-magnetic, but ferritic (430) and martensitic (410) grades are magnetic due to their different crystal structure. Even 304 or 316 may become slightly magnetic after cold working such as bending or stamping, which transforms some austenite into martensite. Therefore, magnetism does not indicate quality — it simply reflects the steel's microstructure and processing history.


Production Lead Time

For standard materials and sizes held in stock, delivery is guaranteed within 3 days of payment receipt. For products requiring custom dimensions or surface finishes, the lead time is 7 to 15 working days after payment confirmation. Specific delivery schedules should be confirmed with customer service at the time of order placement.


Inventory

A substantial inventory is maintained to ensure prompt delivery. Stock availability varies by material grade and dimensions. To avoid potential delays, please confirm current stock levels with your sales representative prior to placing an order.


Product Quality Assurance

Applicable product standards must be specified at the time of order. For projects with specific technical requirements, please provide detailed parameters, tolerance ranges, and other relevant specifications. A dedicated quality inspection department oversees all stages of production to ensure full compliance. Upon completion, accurate measurements, inspection images, video documentation, and material test reports are provided for customer confirmation.


Sample Support

Complimentary samples are available in any size; however, international shipping fees apply. These charges are deductible from future order payments following formal cooperation. Customized samples are also available for a fee. For further details, please consult your sales representative.


Outer Packaging Marking

Custom markings on outer packaging are available upon request at no additional cost. Once the marking design is approved, it will be affixed using waterproof tape. If no specific marking is requested, packaging will be shipped without markings by default.


Surface Marking

Material grade, dimensions, and other identifying information may be spray-marked directly onto the steel plate surface upon request. For applicable charges, please consult your sales representative.


Packaging

Standard wooden pallet packaging is provided at no extra cost, with a loading capacity of 1 to 3 tons per pallet. Alternative packaging options, such as iron pallets, are available upon request. Please contact your sales representative for details — bulk orders qualify for preferential pricing.


Transportation

We maintain partnerships with multiple freight forwarders to offer competitive land, air, and sea freight options. If you have a preferred freight forwarder, we can arrange delivery to your agent's warehouse or to the designated port of shipment.


Inspection

Factory inspections and product inspections are fully supported. Customers are welcome to visit our facility for in-person inspections. Alternatively, third-party inspection agencies, including SGS, may be arranged to conduct on‑site inspections.

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