Repute Steel & Engineering Co. is a leading manufacturer, stockist, and exporter of Stainless Steel WNRF (Weld Neck Raised Face) flanges, offering premium quality products designed to meet the needs of diverse industries worldwide. These flanges are widely used in various sectors, including oil and gas, petrochemical, chemical processing, power generation, and marine industries, where high strength, durability, and corrosion resistance are critical. The WNRF flanges produced by Repute Steel & Engineering Co. are available in a broad range of sizes and grades, providing the versatility needed for demanding applications.
Stainless Steel WNRF flanges are essential components in piping systems, featuring a raised face that facilitates a tight seal when connected with other flanged components. The raised face design is ideal for applications involving high-pressure and high-temperature environments, ensuring a secure and leak-proof connection. Repute Steel & Engineering Co. manufactures these flanges with precision, ensuring consistent dimensions, excellent surface finish, and superior mechanical properties. This quality control guarantees that every flange meets the highest international standards, including ASTM A182, ANSI B16.5, and ASME B16.47, ensuring compatibility with global industry requirements.
Repute Steel & Engineering Co. offers Stainless Steel WNRF flanges in a variety of grades, including SS 304, SS 316, SS 316L, SS 310, SS 321, and others. These materials are selected for their exceptional resistance to corrosion, heat, and oxidation, making them suitable for use in challenging environments, including acidic or high-temperature conditions. Stainless steel’s inherent properties, such as high tensile strength and resistance to pitting and crevice corrosion, make these flanges ideal for applications where long-term performance and reliability are critical. Custom grades and specifications can also be provided upon request to meet the specific requirements of clients.
Specification of Stainless Steel WNRF flanges
| Specification | Description |
|---|---|
| Material Grades | SS 304, SS 316, SS 316L, SS 310, SS 321, etc. |
| Standard | ASTM A182, ANSI B16.5, ASME B16.47, API 605 |
| Size Range | 1/2" to 60" (DN 15 to DN 1500) |
| Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500# |
| Face Type | Raised Face (RF) |
| Thickness | Varies depending on size and pressure rating |
| Bolt Hole Size | To match ASME B16.5 / ASME B16.47 |
| Flange Types | Weld Neck, Slip-on, Blind, Socket Weld, etc. |
| Finish | Smooth (Standard), Polished or Customized |
| Temperature Range | -200°C to 800°C (depends on material grade) |
| End Connection | Butt weld (for Weld Neck) |
| Weight | Varies by size and pressure rating |
| Compliance | ISO 9001:2015, PED, CE, API, ASTM |
One of the standout features of Repute Steel & Engineering Co. is its ability to deliver customized Stainless Steel WNRF flanges that perfectly match the needs of each project. Whether clients need flanges in non-standard sizes or with specific features, the company can produce and supply them with exact specifications. With a well-equipped manufacturing facility, advanced machinery, and skilled technicians, Repute Steel & Engineering Co. ensures that each flange meets the required mechanical and dimensional properties. Additionally, the company maintains an extensive stock of various flange types, allowing for quick dispatch and minimizing lead times.
Repute Steel & Engineering Co. is also recognized for its custom manufacturing services, where they offer bespoke solutions for projects that require specialized Slip On Flanges. Their experienced engineering team works closely with clients to understand specific requirements and provide tailored products that meet precise specifications. Whether it’s a standard or custom-designed Slip On Flange, Repute Steel & Engineering Co. delivers exceptional quality and performance every time.
Chemical Composition of Stainless Steel WNRF flanges
| Grade | Element | Chemical Composition (%) |
|---|---|---|
| SS 304 | Carbon (C) | Max 0.08% |
| Manganese (Mn) | 2.00% - 2.50% | |
| Silicon (Si) | Max 1.00% | |
| Phosphorus (P) | Max 0.045% | |
| Sulfur (S) | Max 0.030% | |
| Chromium (Cr) | 18.00% - 20.00% | |
| Nickel (Ni) | 8.00% - 10.50% | |
| Nitrogen (N) | Max 0.10% | |
| SS 316 | Carbon (C) | Max 0.08% |
| Manganese (Mn) | 2.00% - 3.00% | |
| Silicon (Si) | Max 1.00% | |
| Phosphorus (P) | Max 0.045% | |
| Sulfur (S) | Max 0.030% | |
| Chromium (Cr) | 16.00% - 18.00% | |
| Nickel (Ni) | 10.00% - 14.00% | |
| Molybdenum (Mo) | 2.00% - 3.00% | |
| Nitrogen (N) | Max 0.10% | |
| SS 316L | Carbon (C) | Max 0.03% |
| Manganese (Mn) | 2.00% - 3.00% | |
| Silicon (Si) | Max 1.00% | |
| Phosphorus (P) | Max 0.045% | |
| Sulfur (S) | Max 0.030% | |
| Chromium (Cr) | 16.00% - 18.00% | |
| Nickel (Ni) | 10.00% - 14.00% | |
| Molybdenum (Mo) | 2.00% - 3.00% | |
| Nitrogen (N) | Max 0.10% | |
| SS 310 | Carbon (C) | Max 0.25% |
| Manganese (Mn) | 2.00% - 4.00% | |
| Silicon (Si) | 1.50% - 2.50% | |
| Phosphorus (P) | Max 0.045% | |
| Sulfur (S) | Max 0.030% | |
| Chromium (Cr) | 24.00% - 26.00% | |
| Nickel (Ni) | 19.00% - 22.00% | |
| Nitrogen (N) | Max 0.10% | |
| SS 321 | Carbon (C) | Max 0.08% |
| Manganese (Mn) | 2.00% - 2.50% | |
| Silicon (Si) | Max 1.00% | |
| Phosphorus (P) | Max 0.045% | |
| Sulfur (S) | Max 0.030% | |
| Chromium (Cr) | 17.00% - 19.00% | |
| Nickel (Ni) | 9.00% - 12.00% | |
| Titanium (Ti) | 5xC - 0.70% (for stabilizing against carbide formation) | |
| Nitrogen (N) | Max 0.10% |
Mechanical Properties of Stainless Steel WNRF flanges
| Property | SS 304 | SS 316 | SS 316L | SS 310 | SS 321 |
|---|---|---|---|---|---|
| Tensile Strength | 520 - 720 MPa | 520 - 720 MPa | 485 - 690 MPa | 515 - 725 MPa | 515 - 725 MPa |
| Yield Strength | 205 MPa (min) | 205 MPa (min) | 170 MPa (min) | 240 MPa (min) | 205 MPa (min) |
| Elongation (in 50 mm) | 40% (min) | 40% (min) | 40% (min) | 35% (min) | 40% (min) |
| Hardness (Brinell) | 201 HB (max) | 201 HB (max) | 201 HB (max) | 217 HB (max) | 201 HB (max) |
| Modulus of Elasticity | 193 GPa | 193 GPa | 193 GPa | 200 GPa | 193 GPa |
| Poisson’s Ratio | 0.29 | 0.29 | 0.29 | 0.30 | 0.29 |
| Maximum Operating Temp. | 870°C | 870°C | 870°C | 1150°C | 870°C |
| Impact Strength (Charpy V-Notch) | 40 J at 0°C (min) | 40 J at 0°C (min) | 40 J at 0°C (min) | 50 J at 0°C (min) | 40 J at 0°C (min) |
Countries we have exported our products to
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Countries we have exported our products to
Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands,manufacturer stockist and exporter of Stainless Steel WNRF flanges in Bengaluru,manufacturer stockist and exporter of Stainless Steel WNRF flanges in Chennai,manufacturer stockist and exporter of Stainless Steel WNRF flanges in Hyderabad,manufacturer stockist and exporter of Stainless Steel WNRF flanges in Gujarat,manufacturer stockist and exporter of Stainless Steel WNRF flanges in Pune