High-Quality Stainless Steel and Alloy Flanges for Industrial Applications
Sanvik Steel is a trusted manufacturer and supplier of a wide range of industrial flanges including Blind, Plate, Slip-On, Threaded, and Weld Neck types. Designed for robust performance and reliable sealing, our flanges are available in sizes from 1/2″ (15 NB) to 48″ (1200 NB) and conform to international standards such as ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, and can also be customized as per client drawings.

Our flanges are manufactured using high-grade stainless steel including ASTM / ASME SA 240 grades like 304, 304L, 316, 310, 321, 347, and more. We also offer a wide range of other materials such as Monel, Nickel, Inconel, Hastelloy, Copper, Brass, Bronze, Titanium, Aluminium, and Lead, ensuring compatibility with various industrial applications like oil & gas, petrochemical, power generation, and marine environments.
Why Choose Sanvik Steel?
Whether you're sourcing for high-pressure applications, corrosive environments, or specialized fabrication needs, Sanvik Steel offers buttweld pipe fittings that combine performance, precision, and reliability.
- Uncompromising Quality Standards
- Wide Range of Alloys & Dimensions
- In-House Custom Fabrication
- Timely Deliveries Worldwide
- Compliance with Global Certifications
Flange Specifications
Flange Type | Size | Standards | Stainless Steel Grade | Other Materials |
---|---|---|---|---|
Blind Flange | 1/2″ (15 NB) to 48″ (1200 NB) | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings | ASTM / ASME SA 240: 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316H, 316L, 316TI, 317, 317L, 321, 321H, 347, 347H, 409, 410, 410S, 430 | Monel, Nickel, Inconel, Hastelloy, Copper, Brass, Bronze, Titanium, Tantalum, Bismuth, Aluminium, High Speed Steel, Zinc, Lead |
Plate Flange | 1/2″ (15 NB) to 48″ (1200 NB) | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings | Same as above | Same as above |
Slip On Flange | 1/2″ (15 NB) to 48″ (1200 NB) | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings | Same as above | Same as above |
Threaded Flange | 1/2″ (15 NB) to 48″ (1200 NB) | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings | Same as above | Same as above |
Weld Neck Flange | 1/2″ (15 NB) to 48″ (1200 NB) | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings | Same as above | Same as above |