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316 stainless steel flanges

Name: 316 stainless steel flanges
Brand: RELIABLE METAL INDUSTRIES
Price: 200.0 INR
Availability: InStock

Price 200.0 INR/ Piece

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MOQ : 10 Pieces

316 stainless steel flanges Specification

Product Form
Forged / Plate

Recyclable
Yes

Diameter
15 mm to 600 mm (customizable)

Corrosion Resistant
Yes, excellent resistance to corrosion in chloride environment

Coating Type
Uncoated

Heat Resistance
Yes

Size
ANSI, DIN, JIS, or customized

Hardness
Rockwell B95 (max)

Material Composition %
Chromium 16-18%, Nickel 10-14%, Molybdenum 2-3%

Tensile Strength
520 MPa min

Product Name
316 Stainless Steel Flange

Steel Type
Stainless Steel

Steel Product Type
Other

Grade
316

Thickness
3 mm to 50 mm (customizable)

Shape
Round

Steel Standard
ASTM A182 / ASME SA182

Surface
Polished or Mill Finish

Composition
Cr: 16-18%, Ni: 10-14%, Mo: 2-3%, C: 0.08%, Mn: 2%, Si: 1%

Application
Industrial piping, chemical processing, oil & gas, food & beverage, pharmaceuticals

Dimension (L*W*H)
Varies as per design, commonly customized to standard flange dimensions

Weight
Depends on size, typically ranges from 0.5 kg to 10 kg per piece

Color
Silver

Material Grade
316

Finish Type
Smooth / Polished

Usage
Pipe joining, fluid control, high-pressure sealing applications

Type of Flange
Weld Neck, Slip On, Blind, Socket Weld, Threaded, Lap Joint

Temperature Range
-50C to +870C

Manufacturing Process
Forged / Machined

Packaging
Wooden box or pallet, as per export standard

Gasket Compatibility
Suitable for metallic, non-metallic and composite gaskets

Flange Face Type
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)

Connection Type
Bolted

Pressure Rating
Class 150, 300, 600, 900, 1500, 2500

316 stainless steel flanges Trade Information

Minimum Order Quantity
10 Pieces

Supply Ability
5000 Pieces Per Month

Delivery Time
7 Days

316 stainless steel flanges About

Stainless Steel (SS) flanges are mechanical components used to connect pipes, valves, pumps, and other equipment to form a secure and leak-proof piping system. They provide flexibility for maintenance, inspection, and modification of pipelines. Manufactured from high-quality stainless steel such as SS304, SS304L, SS316, and SS316L, these flanges offer excellent corrosion resistance, high strength, and durability, even in harsh industrial environments.

Key Features

Material: Stainless steel grades 304/304L/316/316L
Corrosion & Rust Resistant: Suitable for chemical, marine, and high-moisture environments
High Temperature & Pressure Capability
Precision Machined: Ensures accurate fit and leak-proof sealing
Smooth Finish: Reduces friction and enhances longevity
Easy Installation & Replacement

Types of SS Flanges

Weld Neck Flange (WN) For high-pressure pipelines
Slip-On Flange (SO) Easy to install, economical
Socket Weld Flange (SW) Ideal for small, high-pressure lines
Blind Flange (BL) Closes pipe ends
Threaded Flange (TH) No welding required
Lap Joint Flange (LJ) Used with stub ends for easy alignment
Ring-Type Joint Flange (RTJ) For high-pressure, high-temperature service
Long Weld Neck Flange (LWN) For critical process pipelines

Applications

Oil & gas industry
Petrochemical & chemical processing
Water treatment systems
Food & beverage industry
HVAC and fire-fighting networks
Marine and offshore applications
Pharmaceutical and sanitary piping

Superior Corrosion and Heat Resistance

Constructed from ASTM A182 / ASME SA182 grade 316 stainless steel, these flanges boast impressive durability due to their optimized composition of chromium, nickel, and molybdenum. This combination ensures remarkable corrosion resistance, even in environments rich in chloride, and allows the flange to perform reliably at elevated temperatures up to 870C, supporting demanding industrial requirements.

Wide Range of Application & Customization

316 Stainless Steel Flanges are suitable for diverse applications, including industrial piping, chemical processing, oil & gas, pharmaceuticals, and food & beverage. They are available in multiple pressure ratings (Class 150-2500), flange types, face configurations, and sizes (ANSI, DIN, JIS, or custom), making customization to specific project needs straightforward and efficient.

Quality Manufacturing and Packaging Standards

Manufactured through a rigorous forged and machined process, each flange meets strict standards for tensile strength (minimum 520 MPa) and hardness. Surface finishes include mill or polished options, while packaging in wooden boxes or pallets adheres to export regulations, ensuring that products arrive in excellent condition, ready for installation.

FAQ's of 316 stainless steel flanges:

Q: How are 316 stainless steel flanges typically installed in industrial piping systems?

A: 316 stainless steel flanges are bolted onto pipe ends using compatible gaskets. Depending on the flange type-Weld Neck, Slip On, Blind, Socket Weld, Threaded, or Lap Joint-installation may involve welding or threading. They offer precision alignment and secure sealing, essential for high-pressure or corrosive fluid transport.

Q: What are the key benefits of using 316 grade stainless steel for flanges?

A: Grade 316 stainless steel provides excellent resistance to corrosion, especially in chloride-rich environments, and maintains structural integrity at temperatures up to 870C. Its combination of chromium, nickel, and molybdenum ensures longevity, minimal maintenance, and suitability for demanding industrial applications.

Q: When should I select a raised face (RF), flat face (FF), or ring type joint (RTJ) flange face?

A: Selection depends on application requirements. Raised face (RF) suits standard high-pressure needs, flat face (FF) is preferable for piping with cast iron or non-metallic surfaces to avoid stress, and ring type joint (RTJ) is used in high-pressure, leak-tight sealing conditions, especially in the oil & gas sector.

Q: Where can these flanges be used effectively?

A: 316 stainless steel flanges are ideal for industrial piping systems in chemical plants, oil & gas facilities, water treatment, food processing, and pharmaceutical manufacturing, thanks to their robust corrosion resistance and ability to handle both extreme temperatures and pressures.

Q: What is the manufacturing process for these stainless steel flanges?

A: The flanges are produced via forging and precise machining, complying with ASTM A182 / ASME SA182 standards. This process guarantees uniformity in thickness, concentricity, and surface finish, delivering flanges that meet rigorous mechanical and pressure requirements for safety and durability.

Q: How do I choose the appropriate pressure rating and flange type for my application?

A: Pressure rating and flange type should match your system's operating pressure and connection needs. Classes 150 to 2500 cover various pressure ranges, while flange types-such as weld neck for high-strength, slip-on for simple alignment, and blind for pipe closure-should be selected as per process design.

Q: What kind of gaskets are compatible with 316 stainless steel flanges?

A: These flanges are compatible with metallic, non-metallic, and composite gaskets. Face configuration-RF, FF, RTJ-determines the gasket type, ensuring optimal sealing for diverse fluids and process conditions. Proper selection enhances safety and system reliability.

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