Our Product
Seamless Rolled Rings
Product Overview
Seamless Rolled Rings
Overview
- Seamless construction with no welded joints
- High mechanical strength and structural integrity
- Excellent resistance to wear and heavy loads
- Precision dimensions and consistent quality
- Suitable for high-pressure and high-temperature applications
- Durable construction for extended service life
- Available in various sizes and material grades
Dimension Details
| Pcd (mm) | Size Nb | No Of Holes | Thickness (mm) | Od Of Flange (mm) | Diam.meter Of Bolt (mm) | Diam.meter Of Bore (mm) |
|---|---|---|---|---|---|---|
| 60.3 | 15NB | 4 | 11.1 | 88.9 | 12.7 | 22.40 |
| 69.9 | 20NB | 4 | 12.7 | 98.4 | 12.7 | 27.70 |
| 79.4 | 25NB | 4 | 14.3 | 108.0 | 12.7 | 34.50 |
| 88.9 | 32NB | 4 | 15.9 | 117.5 | 12.7 | 43.20 |
| 98.4 | 40NB | 4 | 17.5 | 127.0 | 12.7 | 49.50 |
| 120.7 | 50NB | 4 | 19.1 | 152.4 | 15.9 | 62 |
| 139.7 | 65NB | 4 | 22.2 | 177.8 | 15.9 | 74.70 |
| 152.4 | 80NB | 4 | 23.8 | 190.5 | 15.9 | 90.70 |
| 190.5 | 100NB | 8 | 23.8 | 228.6 | 15.9 | 116.10 |
| 215.9 | 125NB | 8 | 23.8 | 254.0 | 19.1 | 143.80 |
| 241.3 | 150NB | 8 | 25.4 | 279.4 | 19.1 | 170.70 |
| 298.5 | 200NB | 8 | 28.6 | 342.9 | 19.1 | 221.50 |
| 362.0 | 250NB | 12 | 30.2 | 406.4 | 22.2 | 276.40 |
| 431.8 | 300NB | 12 | 31.8 | 482.6 | 22.2 | 327.20 |
| 476.3 | 350NB | 12 | 34.9 | 533.4 | 25.4 | 349.20 |
| 539.8 | 400NB | 16 | 36.5 | 596.9 | 25.4 | 410.50 |
| 577.9 | 450NB | 16 | 39.7 | 635.0 | 28.6 | 461.80 |
| 635.0 | 500NB | 20 | 42.9 | 698.5 | 28.6 | 513.10 |
All Dimensions in MM
Technical Dimensions
| B | D | C | G | J | A | E | F | A | E | F | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Pipe Size |
Socket Bore dia. B (Note [1]) |
Bore Diameter of Fittings, D [Note (1)] |
Socket Wall Thickness, C | Body Wall | Min Depth of Socket |
Center to Bottom of Socket, A | Laying Lengths |
Tolerances ± | End Wall Thickness Kmin |
||||||||||||||||||||
| Class Designation | Class Designation | Class Designation | 90 deg Elbows, Tees and Crosses |
45 deg Elbows | Class Designation | ||||||||||||||||||||||||
| 3000 | 6000 | 9000 | 3000 | 6000 | 9000 | 3000 | 6000 | 9000 | Class Designation | Coupl- ings, E |
Half Coupl- ings, F |
A | E | F | 3000 | 6000 | 9000 | ||||||||||||
| (mm) | (Inch) | 3000 | 6000 | 9000 | Agv. | Min. | Agv. | Min. | Agv. | Min. | Min. | Min. | Min. | J | 3000 | 6000 | 9000 | 3000 | 6000 | 9000 | |||||||||
| 6 | 1/8 | 11.2 10.8 |
7.6 6.1 |
4.8 3.2 |
..... | 3.18 | 3.18 | 3.96 | 3.43 | ..... | ..... | 2.41 | 3.15 | ..... | 9.5 | 11.0 | 11.0 | ..... | 8.0 | 8.0 | ..... | 6.5 | 16.0 | 1.0 | 1.5 | 1.0 | 4.8 | 6.4 | ..... |
| 8 | 1/4 | 14.6 14.2 |
10.0 8.5 |
7.1 5.6 |
..... | 3.78 | 3.30 | 4.60 | 4.01 | ..... | ..... | 3.02 | 3.68 | ..... | 9.5 | 11.0 | 13.5 | ..... | 8.0 | 8.0 | ..... | 6.5 | 16.0 | 1.0 | 1.5 | 1.0 | 4.8 | 6.4 | ..... |
| 10 | 3/8 | 18.0 17.6 |
13.3 11.8 |
9.9 8.4 |
..... | 4.01 | 3.50 | 5.03 | 4.37 | ..... | ..... | 3.20 | 4.01 | ..... | 9.5 | 13.5 | 15.5 | ..... | 8.0 | 11.0 | ..... | 6.5 | 17.5 | 1.5 | 3.0 | 1.5 | 4.8 | 6.4 | ..... |
| 15 | 1/2 | 22.2 21.8 |
16.6 15.0 |
12.5 11.0 |
7.2 5.6 |
4.67 | 4.09 | 5.97 | 5.18 | 9.35 | 8.18 | 3.73 | 4.78 | 7.47 | 9.5 | 15.5 | 19.0 | 25.5 | 11.0 | 12.5 | 15.5 | 9.5 | 22.5 | 1.5 | 3.0 | 1.5 | 6.4 | 7.9 | 11.2 |
| 20 | 3/4 | 27.6 27.2 |
21.7 20.2 |
16.3 14.8 |
11.8 10.3 |
4.90 | 4.27 | 6.96 | 6.04 | 9.78 | 8.56 | 3.91 | 5.56 | 7.82 | 12.5 | 19.0 | 22.5 | 28.5 | 13.0 | 14.0 | 19.0 | 9.5 | 24.0 | 1.5 | 3.0 | 1.5 | 6.4 | 7.9 | 12.7 |
| 25 | 1 | 34.3 33.9 |
27.4 25.9 |
21.5 19.9 |
16.0 14.4 |
5.69 | 4.89 | 7.92 | 6.93 | 11.38 | 9.96 | 4.55 | 6.35 | 9.09 | 12.5 | 22.5 | 27.0 | 32.0 | 14.0 | 17.5 | 20.5 | 12.5 | 28.5 | 2.0 | 4.0 | 2.0 | 9.6 | 11.2 | 14.7 |
| 32 | 1.1/4 | 43.1 42.7 |
35.8 34.3 |
30.2 28.7 |
23.5 22.0 |
6.07 | 5.28 | 7.92 | 6.93 | 12.14 | 10.96 | 4.85 | 6.35 | 9.70 | 12.5 | 27.0 | 32.0 | 35.0 | 17.5 | 20.5 | 22.5 | 12.5 | 30.0 | 2.0 | 4.0 | 2.0 | 9.6 | 11.2 | 14.2 |
| 40 | 1.1/2 | 49.2 48.8 |
41.6 40.1 |
34.7 33.2 |
28.7 27.2 |
6.35 | 5.54 | 8.92 | 7.80 | 12.70 | 11.12 | 5.08 | 7.14 | 10.15 | 12.5 | 32.0 | 38.0 | 38.0 | 20.5 | 25.5 | 25.5 | 12.5 | 32.0 | 2.0 | 4.0 | 2.0 | 11.2 | 12.7 | 15.7 |
| 50 | 2 | 61.7 61.2 |
53.3 51.7 |
43.6 42.1 |
38.9 37.4 |
6.93 | 6.04 | 10.92 | 9.50 | 13.84 | 12.12 | 5.54 | 8.74 | 11.07 | 16.0 | 38.0 | 41.0 | 54.0 | 25.5 | 28.5 | 28.5 | 19.0 | 41.0 | 2.0 | 4.0 | 2.0 | 12.7 | 15.7 | 19.0 |
| 65 | 2.12 | 74.4 73.9 |
64.2 61.2 |
..... | ..... | 8.76 | 7.67 | ..... | ..... | ..... | ..... | 7.01 | ..... | ..... | 16.0 | 41.0 | ..... | ..... | 28.5 | ..... | ..... | 19.0 | 43.0 | 2.5 | 5.0 | 2.5 | 15.7 | 19.0 | ..... |
| 80 | 3 | 90.3 89.8 |
79.4 76.4 |
..... | ..... | 9.52 | 8.30 | ..... | ..... | ..... | ..... | 7.62 | ..... | ..... | 16.0 | 57.0 | ..... | ..... | 32.0 | ..... | ..... | 19.0 | 44.5 | 2.5 | 5.0 | 2.5 | 19.0 | 22.4 | ..... |
| 100 | 4 | 115.7 115.2 |
103.8 100.7 |
..... | ..... | 10.69 | 9.35 | ..... | ..... | ..... | ..... | 8.56 | ..... | ..... | 19.0 | 66.5 | ..... | ..... | 41.0 | ..... | ..... | 19.0 | 48.0 | 2.5 | 5.0 | 2.5 | 22.4 | 28.4 | ..... |
WHY OUR SEAMLESS ROLLED RINGS MATTER
Superior Strength, Precision & Reliable Heavy-Duty Performance
Seamless Ring Construction
Manufactured without welded joints for superior structural integrity and reliable performance under heavy loads.
High Strength & Durability
Made from premium-quality materials to withstand demanding operating conditions, pressure, and wear.
Precision Dimensions
Accurately manufactured for consistent dimensions, excellent fitment, and dependable long-term performance.
Call Us Now
+91 82381 09678
FREQUENTLY ASKED QUESTIONS
Frequently Asked Questions About Our Seamless Rolled Rings
Find answers to the most common questions about our Seamless Rolled Rings, including materials, manufacturing process, applications, customization, and performance.
“Our Seamless Rolled Rings deliver superior strength, precision, and dependable performance for demanding industrial applications.”
Seamless Rolled Rings are circular forged components manufactured through a controlled ring rolling process without welded joints, providing excellent strength and structural integrity.
Our rings can be manufactured from carbon steel, alloy steel, stainless steel, and other suitable engineering materials according to application requirements.
They are widely used in oil & gas, power generation, petrochemical, heavy engineering, pressure vessels, machinery, and other demanding industrial applications.
