SS 304 Blind Flange Exporters

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Stainless Steel 304 Blind Flanges Manufacturer & Supplier

We are one of the reliable SS 304 Blind Flange Exporter, Manufacturer & Supplier of premium quality Stainless Steel 304 Blind Flanges for use in industrial piping applications in various industry sectors. Our blind flanges are made of high quality ASTM A182 F304 Stainless Steel material for a secure and tight seal.

SS 304 Blind Flanges are used for applications in Oil and Gas, Petrochemical, Chemical Processing, Pharmaceutical, Food Processing, Marine and Power Generation Industries. As per the international standard, our SS 304 Blind Flanges come in various sizes and pressure classes.

What is SS 304 Blind Plate?

SS 304 Blind Flange is a solid circular flange without any bore which is used to close the end of pipeline, pressure vessel or valve opening. This guarantees a dependable seal and convenient access for future pipeline expansion, inspection or maintenance.

These blind flanges are made of Stainless Steel 304 and provide excellent corrosion resistance, high mechanical strength, superior weldability and long life even under difficult operating conditions.

SS 304 Blind Flange exporter

SS 304 Blind Flange Exporters

We are one of the trusted SS 304 Blind Flanges Exporters in the market and our company produces and supplies premium grade Stainless Steel 304 Blind Flanges which have been developed generally for ensuring that there is no leakage. The blind flanges supplied by us are made from premium grade ASTM A182 F304 stainless steel.

SS 304 blind flanges from us find wide use across oil and gas, petrochemicals, chemical processing, pharmaceutical, food processing, marine and power generating industries. Our range of these flanges is manufactured keeping in view international standards. These flanges are available in various sizes and pressure ranges.

Blind flange stainless steel

Types of Stainless Steel 304 Flanges

  • Blind Flanges
  • Weld Neck Flanges
  • Slip-On Flanges
  • Socket Weld Flanges
  • Threaded Flanges
  • Lap Joint Flanges
  • Ring Type Joint (RTJ) Flanges
  • Orifice Flanges
  • Spectacle Blind Flanges
  • Long Weld Neck Flanges
  • Custom Designed Flanges

Product Specifications

Specification Item Details (SS 304 Blind Flanges)
Material Grade Stainless Steel 304 / Stainless Steel 304L
Material Standard ASTM A182 F304 / ASTM A182 F304L
Manufacturing Standards ASME B16.5, ASME B16.47, ANSI, DIN, EN, MSS SP-44
Size Range ½" NB to 60" NB
Pressure Ratings Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500
Flange Face Raised Face (RF) / Flat Face (FF) / Ring Type Joint (RTJ)

Chemical Composition

Element Percentage (SS 304 Chemical Composition)
Chromium (Cr) 18.0% – 20.0%
Nickel (Ni) 8.0% – 10.5%
Carbon (C) 0.08% Max
Manganese (Mn) 2.0% Max
Silicon (Si) 1.0% Max
Phosphorus (P) 0.045% Max
Sulfur (S) 0.03% Max

Mechanical Properties

Property Details (SS 304 Mechanical Properties)
Tensile Strength 515 MPa (minimum)
Yield Strength 205 MPa (minimum)
Elongation 40%
Hardness 201 HB (maximum)

Features & Benefits

  • Excellent corrosion resistance
  • Strong sealing capability
  • High tensile strength
  • Superior dimensional accuracy
  • Smooth surface finish
  • Easy installation
  • Excellent weldability
  • High temperature resistance
  • Leak-proof performance
  • Long service life
  • Low maintenance requirements
  • Suitable for high-pressure piping systems

Applications

  • Oil & Gas Industry
  • Petrochemical Plants
  • Chemical Processing Units
  • Power Generation Plants
  • Pharmaceutical Industry
  • Food & Beverage Processing
  • Marine Engineering
  • Water Treatment Plants
  • Pulp & Paper Industry
  • Fertilizer Plants
  • Sugar Mills
  • Engineering Projects

Why Choose Us as Your SS 304 Blind Flange Supplier?

Customers choose us because we deliver quality products backed by reliable service, a modern manufacturing facility, and a customer-focused approach.

Premium Quality Raw Materials

Modern Manufacturing Facility

Strict Quality Control

Competitive Pricing

Ready Stock Availability

Custom Manufacturing Solutions

Timely Delivery

Bulk Order Capability

Experienced Technical Support

Customer-Focused Approach

Manufacturing Process

SS 304 Blind Flange Production

Every SS 304 blind flange is manufactured using carefully selected stainless steel raw materials and advanced production techniques to ensure consistent quality.

1

Raw Material Inspection

2

Cutting

3

Forging

4

Heat Treatment

5

CNC Machining

6

Drilling

7

Surface Finishing

8

Dimensional Inspection

9

Final Quality Testing

10

Packing & Dispatch

Quality Assurance

Quality remains our highest priority throughout the manufacturing process. We ensure that our SS 304 Blind Flanges are meticulously tested to ensure secure and leak-proof sealing, structural strength, and complete compliance with standards.

Mill Test Certificates (EN 10204 3.1) and third-party inspection reports are available and supplied upon request for complete material audit and quality tracking.

Positive Material Identification (PMI)

Ultrasonic Testing

Visual Inspection

Dimensional Inspection

Hydrostatic Testing

Hardness Testing

Surface Finish Inspection

Package

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Plastic Bag

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Wooden case

Logistics

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By Sea

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By Air

Industries We Serve

Engineering Companies

EPC Contractors

Refineries

Offshore Projects

Infrastructure Projects

Shipbuilding Industry

Chemical Manufacturing

Renewable Energy

Industrial Fabrication

Water Infrastructure

Faqs of SS 304 Blind Flange

What is the purpose of an SS 304 Blind Flange?

It is used to close the end of a piping system or pressure vessel, creating a secure seal while allowing future access for maintenance, cleaning, or pipeline expansion.

What material is used to manufacture these flanges?

Our blind flanges are manufactured using high-quality ASTM A182 F304 and F304L stainless steel grades for ultimate sealing performance.

What sizes are available?

We supply flanges from ½ inch to 60 inches standard size range, along with custom dimension profiles based on specific drawings.

Are customized blind flanges available?

Yes. We manufacture customized dimensions, drilling patterns, structural thickness, and pressure classes matching your precise drawings.

Which standards do your products comply with?

Our flanges conform strictly to international standards including ASTM, ASME, ANSI, DIN, EN, and MSS standards.

Are quality certificates provided?

Yes. EN 10204 3.1 Mill Test Certificates and third-party inspection reports can be provided with every shipping dispatch.

Which industries commonly use SS 304 Blind Flanges?

These flanges are widely utilized in chemical processing, oil & gas, food and beverage processing, pharmaceuticals, marine engineering, and water treatment infrastructure.

How can I request a quotation?

Simply provide the flange size, pressure class, quantity needed, material grade (SS 304 or 304L), and other design drawings. Our team will prepare a competitive quotation for your team.