Stainless Steel Flange

Name: Stainless Steel Flange
SKU: 8611619
Availability: InStoreOnly

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NILAM STEELAGE INDIA PRIVATE LIMITED offers premium Stainless Steel Flanges designed for secure, leak-proof piping connections in critical industrial applications. These stainless steel flanges are engineered from high-quality stainless steel grades such as 304/304L and 316/316L, ensuring exceptional corrosion resistance, high tensile strength, and durability under extreme temperatures. Available in various types including Weld Neck, Slip-On, Blind, Socket Weld, Threaded, and Lap Joint, these flanges meet stringent requirements for pressure and assembly across multiple industries such as chemical processing, oil and gas, food processing, and marine environments. Manufactured in compliance with ASME B16.5 and ASME B16.47 dimensional standards and ASTM A182 material specifications, our stainless steel flanges support pressure classes from 150 to 2500, with multiple facing options like Raised Face, Flat Face, and Ring Type Joint to guarantee optimal sealing performance. Ideal for high-pressure systems and corrosive environments, these flanges provide reliable, long-lasting connections essential for maintaining pipeline integrity and safety.

Key Features

Features	Description
Material Grades	Stainless Steel 304/304L, 316/316L, specialty grades including 321, 904L, Duplex
Flange Types	Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint
Pressure Classes	Class 150 to Class 2500
Compliance Standards	ASME B16.5, ASME B16.47, ASTM A182
Facing Types	Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Corrosion Resistance	High resistance to chlorides, salts, and extreme temperatures
Applications	Chemical processing, marine, oil and gas, food processing, pharmaceuticals
Durability	Withstands high tensile pressure and harsh environmental conditions
MOQ	1 Piece
Unit	Piece

Attributes	Description
Material	Stainless Steel grades 304/304L, 316/316L, and specialty grades
Flange Designs	Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint
Dimensional Standards	ASME B16.5 (1/2" to 24"), ASME B16.47 (up to 60")
Material Standards	ASTM A182
Pressure Rating	Class 150 to Class 2500
Facing Options	Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
MOQ	1 Piece
Unit	Piece

*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.

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What are the typical applications of the SS 316 stainless steel flange offered?

The SS 316 flange is preferred in chemical processing, oil and gas, and marine environments due to its superior resistance to chlorides and saltwater corrosion.

Which flange type is best suited for high-pressure and high-temperature piping systems?

The Weld Neck flange, with its long tapered hub and butt-welded connection, is ideal for high-pressure and extreme-temperature applications.

Are these stainless steel flanges compliant with international standards?

Yes, all flanges comply with ASME B16.5 or ASME B16.47 dimensional standards and follow ASTM A182 material specifications, ensuring international quality and fitment.

What is the minimum order quantity for these stainless steel flanges?

The minimum order quantity is 1 piece, which allows for flexible purchasing options even for small-scale industrial needs.

Can these flanges be supplied in specialty grades like Duplex or 904L?

Yes, apart from standard 304 and 316 grades, specialty materials such as Duplex and 904L are available on request for highly demanding environments.

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Country Of Origin: India

Stainless steel (SS) flanges are mechanical components used to connect pipes, valves, and pumps in a piping system, providing a secure, leak-proof junction. They are highly valued for their corrosion resistance, ability to handle extreme temperatures, and high tensile strength.

Common Material Grades

The selection of grade depends on the environment and specific industrial needs:

Grade 304/304L: The most common grade, offering good overall corrosion resistance and formability. It is ideal for food processing, pharmaceuticals, and mild atmospheric conditions.
Grade 316/316L: Contains 2-3% molybdenum, which enhances resistance to chlorides and salts. Often called "marine grade," it is preferred for chemical processing, oil and gas, and seawater applications.
Specialty Grades: Other available materials include high-temperature grades like SS 321 or higher corrosion-resistant alloys like 904L and Duplex for extreme environments.

Types of Stainless Steel Flanges

Different designs suit various pressure and assembly requirements:

Weld Neck (WN): Features a long tapered hub that is butt-welded to the pipe. It is the best choice for high-pressure and extreme-temperature systems.
Slip-On (SO): Slides over the pipe and is welded both inside and outside. It is cost-effective and easier to align, typically used for lower-pressure applications.
Blind (BL): A solid disc with no bore used to seal the end of a piping system.
Socket Weld (SW): The pipe is inserted into a socket before welding. These are designed for small-diameter, high-pressure pipes.
Threaded (TH): Screws directly onto the pipe without welding, making it ideal for low-pressure systems or areas where welding is hazardous.
Lap Joint (LJ): Used with a stub-end fitting, allowing the flange to rotate for easy bolt alignment; perfect for systems needing frequent disassembly.

Standards and Pressure Ratings

Dimensional Standards: Most SS flanges follow ASME B16.5 (for sizes 1/2" to 24") or ASME B16.47 (for larger diameters up to 60").
Material Standards: Typically comply with ASTM A182, which specifies requirements for forged or rolled stainless steel piping components.
Pressure Classes: Rated from Class 150 up to Class 2500. A higher class number indicates a thicker, heavier flange capable of withstanding more pressure.
Facing Types: Common faces include Raised Face (RF) for standard sealing, Flat Face (FF) for low-pressure systems, and Ring Type Joint (RTJ) for very high-pressure applications.