Mild Steel (MS) flanges are essential for piping, industrial, and mechanical applications, providing secure connections, strength, and reliability. Understanding flange standards, Class 150 specifications, and pricing helps in selecting the right flange for industrial use.
This guide includes:
MS flange standards and material grades
Class 150 MS flange specifications and pressure ratings
MS flange price rates for various sizes
Flange catalogue and PDF download
Why choose Udhhyog for industrial MS flanges?
MS Flange Standards & Material Grades
MS flanges conform to various industry standards, ensuring compatibility and reliability.
1. IS 1538 Standard (Indian Standard for MS Flanges)
Defines dimensions, material composition, and pressure ratings.
Used in industrial pipelines, water supply, and gas distribution.
2. ASME B16.5 Standard
American standard specifying flange dimensions, pressure ratings, and material grades.
Used in high-pressure applications like oil & gas and power plants.
3. Class 150 Standard Flanges
Rated for low-pressure piping applications up to 285 PSI.
Commonly used in water treatment, HVAC, and manufacturing plants.
4. PN16 Standard
European standard rated for 16 bar (1600 kPa) pressure applications.
Used in plumbing, chemical, and industrial pipelines.
5. MS Flange Material Grades
Mild Steel (MS): Cost-effective and durable for general applications.
Carbon Steel: Higher strength and used in pressure pipelines.
Galvanized MS: Coated for corrosion resistance in harsh environments.
MS Flange Class 150 Specifications
Class 150 flanges are commonly used for low-pressure piping systems. Below is the standard MS flange dimension chart for Class 150.
| Nominal Pipe Size (NPS) | Flange Outer Diameter (mm) | Bolt Hole Diameter (mm) | Number of Bolts |
|---|---|---|---|
| 2" | 150 | 19 | 4 |
| 3" | 175 | 19 | 4 |
| 4" | 230 | 19 | 8 |
| 6" | 280 | 22 | 8 |
| 100mm | 210 | 19 | 8 |
| 150mm | 280 | 22 | 8 |
MS Flange Price Rates (Approximate in INR)
Prices vary based on size, quality, and quantity. Below is a general pricing guide for Class 150 MS flanges.
| Flange Size | Class | Price (INR/Piece) |
| 2-inch MS Flange | Class 150 | ₹250 – ₹400 |
| 3-inch MS Flange | Class 150 | ₹400 – ₹600 |
| 4-inch MS Flange | Class 150 | ₹600 – ₹900 |
| 6-inch MS Flange | Class 150 | ₹1,000 – ₹1,500 |
| 100mm MS Flange | PN16 | ₹800 – ₹1,200 |
| 150mm MS Flange | PN16 | ₹1,200 – ₹1,800 |
Bulk orders qualify for discounted rates from Udhhyog.
MS Flange Catalogue & PDF Download
For a complete list of MS flange specifications, weight charts, and technical details, download the MS Flange Catalogue PDF from Udhhyog. It includes:
MS flange size charts and dimensions
Pressure ratings and material grades
Class 150 and PN16 specifications
Price lists and weight tables
Why Choose Udhhyog for MS Flanges?
✅ High-Quality MS Flanges – Available in various sizes and pressure ratings.
✅ Custom Fabrication – Flanges tailored to industrial needs.
✅ Competitive Pricing – Affordable rates for bulk and custom orders.
✅ Trusted Supplier – Serving Delhi, Haryana, UP, and J&K.
For premium MS flanges, trust Udhhyog – your reliable supplier of industrial piping solutions.
Conclusion
MS flanges are essential for connecting pipes, ensuring leak-proof joints, and providing structural support. Understanding Class 150 specifications, standard dimensions, and pricing helps in making an informed selection. Udhhyog provides high-quality MS flanges, from 2-inch to 150mm sizes, meeting industry standards.
Download the MS Flange Catalogue PDF for detailed specifications and pricing.
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