Stainless steel flange
High-quality stainless steel flanges are essential components in piping systems across various industries. As a leading manufacturer, we specialize in producing durable and reliable stainless steel flanges that meet international standards. Our products are designed to withstand extreme temperatures and pressures while maintaining excellent corrosion resistance.
Stainless Steel Flange Product Specifications
Material Grades Available:
- 304 Stainless Steel Flange
- 316 Stainless Steel Flange
- 316L Stainless Steel Flange
- 304L Stainless Steel Flange
- Duplex Stainless Steel Flange
- Super Duplex Stainless Steel Flange
Standard Dimensions:
| Size (inches) | Outside Diameter (mm) | Thickness (mm) | Bolt Circle (mm) |
|---|---|---|---|
| 1/2" | 90 | 11 | 60.5 |
| 1" | 105 | 12 | 70 |
| 2" | 152 | 16 | 120.5 |
| 4" | 191 | 19 | 152.5 |
| 6" | 254 | 22 | 190.5 |
Stainless Steel Flange Types
- Weld Neck Flanges
- Slip-On Flanges
- Socket Weld Flanges
- Lap Joint Flanges
- Threaded Flanges
- Blind Flanges
- Orifice Flanges
Stainless Steel Flange Pressure Ratings
| Pressure Class | PN Rating | Working Pressure (PSI) |
|---|---|---|
| 150# | PN20 | 275 |
| 300# | PN50 | 720 |
| 600# | PN110 | 1440 |
| 900# | PN150 | 2160 |
| 1500# | PN260 | 3600 |
Stainless Steel Flange FAQs
What are the advantages of using stainless steel flanges?
Stainless steel flanges offer superior corrosion resistance, high strength, and excellent durability. They can withstand extreme temperatures and pressures, making them ideal for demanding industrial applications. The non-porous surface of stainless steel prevents bacterial growth, which is crucial in food and pharmaceutical industries. Additionally, stainless steel flanges maintain their appearance over time without requiring painting or special coatings.
How do I choose the right stainless steel flange for my application?
Selecting the appropriate stainless steel flange involves considering several factors: the type of fluid being transported, operating temperature and pressure, environmental conditions, and compatibility with existing piping systems. For corrosive environments, 316 or 316L stainless steel is recommended. High-pressure applications require weld neck flanges, while slip-on flanges are suitable for low-pressure systems. Always consult with our technical team to ensure you select the optimal flange for your specific requirements.
What maintenance is required for stainless steel flanges?
Stainless steel flanges require minimal maintenance compared to other materials. Regular visual inspections should check for signs of corrosion, leaks, or bolt loosening. Periodic cleaning with mild soap and water helps maintain appearance. For food-grade applications, more frequent sanitization may be necessary. In coastal or high-chloride environments, more frequent inspections are recommended to detect potential pitting corrosion early.
Surface Finishes Available
- Mill Finish
- Polished Finish (180-240 grit)
- Mirror Finish (8K)
- Electropolished
- Sandblasted
Certifications and Standards
Our stainless steel flanges comply with international standards including:
- ASTM A182
- ASME B16.5
- ASME B16.47
- EN 1092-1
- ISO 7005-1
- ANSI/ASME standards
Additional Stainless Steel Flange Information
Our manufacturing process includes strict quality control measures at every stage. Each stainless steel flange undergoes material testing, dimensional inspection, and pressure testing before shipment. We offer custom manufacturing services for non-standard sizes or special requirements. All our products come with complete material traceability and test certificates.
For large quantity orders, we provide competitive pricing and flexible delivery options. Our technical support team is available to assist with flange selection, installation guidance, and troubleshooting. Contact us today to discuss your stainless steel flange requirements and receive a customized quotation.