| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Carbon Steel Flanges manufactured in India for oil gas power petrochemical and high pressure industrial piping systems
Sagar Steel Corporation is a reputed Carbon Steel Flanges Manufacturer in India, which is a reputable producer of a complete line of flanges that are designed to be strong, durable, and have good performance in terms of performance in industrial piping and pressure systems. Our carbon steel flanges are common in oil and gas, petrochemical, power generation, refinery, water treatment, construction, and heavy engineering industries where they need strong mechanical properties and cost-effective solutions. These flanges are supplied via our B2B portal and are of a high quality that is produced based on tough service conditions and project requirements.
We are a trusted manufacturer and supplier of carbon steel flanges and can guarantee the adherence to the accepted international standards of flanges like ASTM, ASME, ANSI, DIN, and EN. We have a range of products in different sizes, different classes of pressure, and different types of faces to facilitate a secure leak-fitting connection in low, medium, and high-pressure piping systems. The quality of each flange is strictly checked, checked in terms of dimensions and testing of the material which guarantees uniform quality, structural integrity, and reliability of the service throughout the service period.
Carbon Steel Flanges – Material & Grade Table
| Material | Grade / Specification | UNS No. | Key Properties | Applicable Standards |
|---|---|---|---|---|
| Carbon Steel | ASTM A105 | K03006 | Good strength, weldable | ASTM A105 / ASME B16.5 |
| Carbon Steel | ASTM A350 LF2 | K03006 | Low-temperature toughness | ASTM A350 / ASME |
| Carbon Steel | ASTM A694 F42 | K04200 | High strength, pressure piping | ASTM A694 |
| Carbon Steel | ASTM A694 F52 | K05200 | Higher yield strength | ASTM A694 |
| Carbon Steel | ASTM A516 Gr 70 | K02700 | Pressure vessel quality | ASTM A516 |
Carbon Steel Flanges – Sizes & Availability Table
| Flange Type | Nominal Size (NPS) | Pressure Rating (Class / PN) | Minimum Order Quantity | Available Cities |
|---|---|---|---|---|
| Weld Neck Flange | ½" – 48" | Class 150–2500 / PN10–PN100 | 200 Pcs | Mumbai, Chennai |
| Slip-On Flange | ½" – 36" | Class 150–600 / PN10–PN40 | 200 Pcs | Pune, Ahmedabad |
| Blind Flange | ½" – 48" | Class 150–2500 / PN10–PN100 | 200 Pcs | Delhi, Kolkata |
| Socket Weld Flange | ½" – 24" | Class 150–1500 / PN10–PN100 | 200 Pcs | Hyderabad, Bangalore |
| Threaded Flange | ½" – 24" | Class 150–600 / PN10–PN40 | 200 Pcs | Surat, Coimbatore |
Key Features of Carbon Steel Flanges
- Pressure and structural applications Tensile and yield strength High tensile and yield strength
- Excellent weldability and fabrication characteristics.
- Applicable to a broad range of temperatures and pressures.
- Exact size of safe sealing and joint stability.
- High service life and decreased maintenance needs.
The mentioned properties position carbon steel flanges as a reliable option in the form of both ordinary and heavy-duty piping networks.
Besides carbon steel flanges, we also produce and market Alloy Steel Flanges, Monel Flanges and Aluminium Flanges to accommodate multi-material project needs so that buyers obtain appropriate flange solutions to corrosion resistant, high strength and lightweight applications all within one industrial manufacturing source.Type of Sub-products

Cs Weld Neck Flange Cs Weld Neck Flange
Made from high strength carbon steel, this flange has a tapered neck for high pressure environments.

Cs Slip On Flange Cs Slip On Flange
Easy to install and align, this flange slides over the pipe before welding. It’s commonly used in low pressure systems like water pipelines and HVAC setups.
