Mild Steel (MS) flanges are vital in piping, construction, and industrial applications, providing secure connections, durability, and leak-proof sealing. Understanding the size, weight, and pricing of MS flanges ensures the right selection for industrial needs.
This guide covers:
MS flange size chart for different dimensions
MS flange weight chart in kg
MS flange price list for 2", 3", 4", and 6" flanges
MS flange specifications and material standards
Why choose Udhhyog for premium MS flanges?
MS Flange Size Chart (Standard Dimensions)
MS flanges are manufactured following ASME B16.5, IS 1538, and PN16 standards. Below is a standard MS flange size chart.
| 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 Weight Chart (Approximate in KG)
MS flange weight depends on size, thickness, and material composition. Below is a reference MS flange weight chart.
| Flange Size | Weight (kg) |
| 2-inch | 1.5 – 2.5 kg |
| 3-inch | 2.5 – 4.0 kg |
| 4-inch | 3.5 – 5.5 kg |
| 6-inch | 5.5 – 8.0 kg |
| 100mm | 6.0 – 9.0 kg |
| 150mm | 9.0 – 12.0 kg |
MS Flange Price List (Approximate Rates in INR)
Prices vary depending on size, quality, and manufacturer. Below is a general MS flange price list.
| 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.
Types of MS Flanges
1. Weld Neck Flange (WN)
Used in high-pressure pipelines for a strong welded connection.
Ideal for oil & gas, chemical, and industrial plants.
2. Slip-On Flange (SOF)
Slides over the pipe and welded for easy installation.
Used in low to medium-pressure applications.
3. Blind Flange (BL)
Seals pipe ends for maintenance and testing.
Used in pipeline shutdowns and repairs.
4. Threaded Flange (THF)
Screwed onto pipes without welding, ideal for low-pressure applications.
Common in plumbing and small industrial setups.
5. Lap Joint Flange (LJF)
Used with a stub end, allowing easy alignment and rotation.
Suitable for systems requiring frequent dismantling.
6. MS Puddle Flange
Used in underground and water-sealing applications.
Prevents water leakage in pipe penetrations.
MS Flange Specifications & Standards
MS flanges conform to various industry standards, ensuring compatibility and reliability.
IS 1538: Indian Standard for mild steel flanges.
ASME B16.5: American standard for pipe flanges.
Class 150: Used in low-pressure piping systems.
PN16: Rated for 16 bar pressure applications.
Why Choose Udhhyog for MS Flanges?
✅ Premium-Quality Flanges – Available in various sizes and pressure ratings.
✅ Custom Manufacturing – Tailored solutions for specific industrial applications.
✅ Affordable Rates – Best pricing for bulk and custom orders.
✅ Trusted Supplier – Serving Delhi, Haryana, UP, and J&K.
For high-quality MS flanges, trust Udhhyog – your reliable supplier of industrial piping solutions.
Conclusion
MS flanges are integral to industrial piping systems, providing secure and leak-proof connections. Understanding flange sizes, weights, and prices ensures the right selection for durability and efficiency. Udhhyog supplies premium MS flanges, from 2-inch to 150mm sizes, meeting Class 150 and PN16 standards.
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