Carbon Steel Flange is a high-strength pipe fitting used to connect pipes, valves, pumps, and other equipment in pressurized piping systems. Designed for industrial use, these flanges provide a reliable, leak-resistant connection and are widely selected for their durability, ease of installation, and cost advantage over stainless steel options. They are commonly used in oil and gas, petrochemical, power generation, water treatment, and general process piping applications. Carbon steel flanges are available in several designs to match different operating conditions and installation requirements. Weld Neck Flanges (WNRF) are preferred for high-pressure and high-temperature service because their tapered hub distributes stress effectively and supports butt-welded piping connections. Slip-On Flanges (SORF) are easier to align and install, making them suitable for lower-pressure systems. Blind Flanges (BLRF) are used to close the end of a pipeline or vessel opening. Socket Weld Flanges (SWRF) are ideal for small-diameter, high-pressure systems. Threaded Flanges are selected where welding is not practical or safe, as they connect directly to the pipe thread. Material grade selection is critical for performance and service life. ASTM A105 is the most common forged carbon steel grade for ambient and elevated temperature service. ASTM A350 LF2 is used for low-temperature applications where toughness in cold conditions is essential. ASTM A694 is specified for high-strength, high-pressure transmission service, particularly in oil and gas pipelines. ASTM A516 is often used for plate flanges in moderate and lower temperature environments. These flanges are manufactured to comply with major industry standards such as ASME B16.5 for sizes up to 24 inches and ASME B16.47 for larger diameters. They are available in standard pressure classes including 150, 300, 400, 600, 900, 1500, and 2500, allowing buyers to choose the right pressure-temperature rating for their application. Pressure capacity varies with temperature, so the correct class and grade must be selected based on operating conditions. For B2B buyers, Carbon Steel Flange is a practical and dependable choice for bulk procurement where performance, compatibility, and long-term service reliability are essential. NILAM STEELAGE INDIA PRIVATE LIMITED offers this industrial-grade product for supply to contractors, EPC companies, fabrication units, distributors, and plant maintenance teams.
Key Features
| Features | Description |
|---|---|
| High Strength | Suitable for demanding industrial piping and pressure system applications. |
| Multiple Flange Types | Available in Weld Neck, Slip-On, Blind, Socket Weld, and Threaded configurations. |
| Wide Material Grade Range | Offered in ASTM A105, ASTM A350 LF2, ASTM A694, and ASTM A516. |
| Pressure Class Options | Complies with Class 150 to Class 2500 pressure ratings. |
| Standards Compliance | Manufactured as per ASME B16.5 and ASME B16.47 requirements. |
| Cost-Effective | Provides a durable and economical alternative to stainless steel flanges. |
| Attributes | Description |
|---|---|
| Product Name | Carbon Steel Flange |
| Brand/Store Name | NILAM STEELAGE INDIA PRIVATE LIMITED |
| Product Type | Industrial Pipe Fitting |
| Material | Carbon Steel |
| Flange Types | Weld Neck, Slip-On, Blind, Socket Weld, Threaded |
| Material Grades | ASTM A105, ASTM A350 LF2, ASTM A694, ASTM A516 |
| Pressure Ratings | Class 150, 300, 400, 600, 900, 1500, 2500 |
| Applicable Standards | ASME B16.5, ASME B16.47 |
| Use Case | Pipe, valve, pump, and pressure system connection |
| Application Industries | Oil & Gas, Petrochemical, Power, Water Treatment, Process Piping |
| MOQ | 1 Piece |
| Unit of Measurement | 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.
Weld Neck Flange (WNRF) is the best choice because its tapered hub provides superior stress distribution and strong butt-welded connection integrity.
A Blind Flange is used to seal the end of a pipeline, pressure vessel opening, or unused branch connection.
ASTM A105 is commonly used for ambient and elevated temperature service, while ASTM A350 LF2 is designed for low-temperature applications where impact toughness is important.
Slip-On Flanges are easier to align and install, making them common in low-pressure piping systems.
The flange is available in standard classes including Class 150, 300, 400, 600, 900, 1500, and 2500, depending on application requirements.
Yes, especially when specified in higher-strength grades such as ASTM A694 for high-pressure transmission service.
Country Of Origin: India
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Palghar , India
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