| Flanges Types | Slip On, Companion, Weld Neck, Lap Joint, Long Weld Neck, Threaded, Blind |
|---|---|
| Class | 150 Lbs, 2500 Lbs Asa 150, 100, 600 Lbs, 300 Lbs, Asa 300, 900 Lbs, Pn 6, 1500 Lbs, 10, 16, 25, 40, 64, 160 |
| Size | 1/2″ (15 Nb) |
| Type | Raised Face (rf), Lap Joint Face (ljf), Small Male Female (smf), Groove, Flat Face (ff), Large Male Female (lmf), Large Tongue & Groove, Ring Type Joint (rtj), Small Tongue |
Stainless Steel 309H Flanges Supplier in India Supplying High Carbon Grades for Thermal Processing Units
Metallica Forging Inc delivers premium-grade industrial piping components engineered for superior strength, durability, and performance across demanding industrial environments. Stainless Steel 309H Flanges Manufacturer providing high-quality flange solutions for petrochemical plants, power generation units, oil and gas sectors, and process industries worldwide. These flanges are manufactured using high-grade materials to ensure excellent resistance against oxidation, heat exposure, and corrosion in critical applications. Designed with precision and manufactured under strict quality standards, the products support secure connections and long operational life in challenging working conditions. The company focuses on maintaining product consistency, reliable supply capabilities, and industry-standard manufacturing practices for global industrial requirements.
Industrial projects requiring dependable piping connections can also benefit from Spectacle Flange solutions designed for effective flow isolation and maintenance applications. These flanges are widely used in pipelines, chemical processing systems, and refinery operations because of their strong construction and reliable sealing performance. Supported by professional B2B Marketplace services, the company assists buyers with streamlined sourcing, bulk order management, and efficient procurement support for industrial projects. Engineered with precision dimensions and superior mechanical properties, these products ensure long-term operational efficiency across demanding industrial environments. Strict quality inspection procedures and advanced production techniques help maintain consistent performance standards across every supplied product.
Stainless Steel 309H Flanges Specification Table
| Material | Grade | Standard | Size Range | Flange Type | Pressure Class | Temperature Range | Typical Application |
|---|---|---|---|---|---|---|---|
| Austenitic Stainless Steel | SS 309H | ASME B16.5 / ASTM A182 | ½” NB – 48” NB | Weld Neck Flange | 150# – 2500# | Up to 1100°C | High-temperature processing systems |
| High Temperature Stainless Steel | UNS S30909 | ANSI / ASME Standards | Custom Sizes | Slip On Flange | 150# – 2500# | Elevated heat applications | Furnace equipment |
| Chromium Nickel Stainless Steel | ASTM A182 F309H | DIN / EN Standards | ½” – 60” | Blind Flange | Class 300 – 2500 | Thermal cycling conditions | Petrochemical industries |
| Heat Resistant Steel | SS 309H Alloy | ASTM / ISO Standards | Custom Dimensions | Socket Weld Flange | Various Ratings | Oxidizing environments | Power generation plants |
| Industrial Stainless Steel | 309H Stainless Alloy | ASME Specifications | Customized Sizes | Threaded Flange | Multiple Classes | High-temperature service | Refineries & process industries |
Type of Sub-products
Frequently Asked Questions
What is SS 309 / SS 309H?
Where are SS 309 / SS 309H Flanges used?
Countries We Export
India
Cities We Supply
Thane
Gandhinagar
Rajahmundry
Panipat
Mumbai
Navi Mumbai
New Delhi
Rudrapur
Hosdurg
Durgapur
Nashik
Raipur
Rajkot
Varanasi
Visakhapatnam
Angul
Lucknow
Pune
Moradabad
Bharuch
Industries We Serve
Oil And Gas Industries

Gasket Industry
Sugar
Automobile Industry
Defense Industry
Construction & Fabrications
Paper Mill
Bridge And Building
Aerospace Industries
Railways
Pharmaceuticals Industry
Power Plant
Electrical Industry
Ring Man Units
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