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Email
sales@tubotechalloys.com -
Phone
+91 9769961320 -
Address
Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004
Phone
+91 9769961320Address
Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004
The essential specification details of Ferrules which is used for stainless steel double ferrule fittings are given in the table below:
| Tube OD (Inch) | Thread Size (Nut) | Front Ferrule Length (mm) | Back Ferrule Length (mm) | Material | Pressure Rating (PSI) |
|---|---|---|---|---|---|
| 1/8″ | 5/16-24 UNF | 6.0 | 5.5 | SS 316 / SS 304 | 6,000 |
| 1/4″ | 7/16-20 UNF | 8.5 | 8.0 | SS 316 / SS 304 | 6,000 |
| 3/8″ | 9/16-18 UNF | 10.5 | 10.0 | SS 316 / SS 304 | 5,800 |
| 1/2″ | 3/4-16 UNF | 12.5 | 12.0 | SS 316 / SS 304 | 5,500 |
| 3/4″ | 1-1/16-16 UN | 16.0 | 15.5 | SS 316 / SS 304 | 4,500 |
| 1″ | 1-5/16-12 UN | 20.0 | 19.0 | SS 316 / SS 304 | 4,000 |
The Stainless Steel 316 and Stainless Steel 304 grading are materials that are used in manufacturing Ferrules. The content in each of them are given below in the table:
| Element | SS 316 (%) | SS 304 (%) |
|---|---|---|
| Carbon (C) | ≤ 0.08 | ≤ 0.08 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 | ≤ 1.00 |
| Chromium (Cr) | 16.0 – 18.0 | 18.0 – 20.0 |
| Nickel (Ni) | 10.0 – 14.0 | 8.0 – 10.5 |
| Molybdenum (Mo) | 2.0 – 3.0 | — |
| Nitrogen (N) | ≤ 0.10 | ≤ 0.10 |
| Iron (Fe) | Balance | Balance |
The mechanical properties of Ferrules made from Stainless Steel 304 and 316 that are commonly used are given in table below:
| Property | SS 316 | SS 304 | Test Standard |
|---|---|---|---|
| Tensile Strength | ≥ 515 MPa (75,000 psi) | ≥ 515 MPa (75,000 psi) | ASTM A276 / A479 |
| Yield Strength (0.2% Offset) | ≥ 205 MPa (30,000 psi) | ≥ 205 MPa (30,000 psi) | ASTM A276 / A479 |
| Elongation (in 50 mm) | ≥ 40% | ≥ 40% | ASTM A370 |
| Hardness (Brinell) | ≤ 217 HB | ≤ 201 HB | ASTM E10 |
| Hardness (Rockwell B) | ≤ 95 HRB | ≤ 92 HRB | ASTM E18 |
| Modulus of Elasticity | 193 GPa (28 x 10³ ksi) | 193 GPa (28 x 10³ ksi) | — |
| Density | 7.98 g/cm³ | 8.00 g/cm³ | — |
| Melting Range | 1370–1400°C | 1399–1454°C | — |
| Operating Temp. Limit | Up to 870°C (continuous) | Up to 870°C (continuous) | — |
There are about 7 types of Ferrules which are given below:
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
The sizes of Ferrules available are given in the table given below:
1. Standard Ferrule Sizes Table: (Inch)
| Tube OD (Inch) | Ferrule ID (mm) | Front Ferrule Length (mm) | Back Ferrule Length (mm) | Applicable Nut Thread Size |
|---|---|---|---|---|
| 1/8″ | 3.18 | 6.0 | 5.5 | 5/16-24 UNF |
| 1/4″ | 6.35 | 8.5 | 8.0 | 7/16-20 UNF |
| 3/8″ | 9.52 | 10.5 | 10.0 | 9/16-18 UNF |
| 1/2″ | 12.7 | 12.5 | 12.0 | 3/4-16 UNF |
| 5/8″ | 15.88 | 14.0 | 13.5 | 7/8-14 UNF |
| 3/4″ | 19.05 | 16.0 | 15.5 | 1-1/16-16 UN |
| 1″ | 25.4 | 20.0 | 19.0 | 1-5/16-12 UN |
2. Standard Ferrule Sizes Table: (Metric)
| Tube OD (mm) | Ferrule ID (mm) | Front Ferrule Length (mm) | Back Ferrule Length (mm) | Applicable Nut Thread Size |
|---|---|---|---|---|
| 6 mm | 6.0 | 8.0 | 7.5 | M10 x 1 |
| 8 mm | 8.0 | 9.0 | 8.5 | M12 x 1 |
| 10 mm | 10.0 | 10.0 | 9.5 | M14 x 1.5 |
| 12 mm | 12.0 | 11.5 | 10.5 | M16 x 1.5 |
| 15 mm | 15.0 | 13.0 | 12.5 | M20 x 1.5 |
| 18 mm | 18.0 | 14.5 | 14.0 | M24 x 1.5 |
| 22 mm | 22.0 | 17.0 | 16.0 | M30 x 2 |
The weight details of Ferrules are given in the table below:
1. Ferrule Weight Chart Standard:
| Tube OD (Inch) | Front Ferrule Weight (g) | Back Ferrule Weight (g) | Total Weight per Set (g) |
|---|---|---|---|
| 1/8″ | 2.5 | 2.0 | 4.5 |
| 1/4″ | 4.0 | 3.5 | 7.5 |
| 3/8″ | 6.5 | 5.5 | 12.0 |
| 1/2″ | 9.0 | 8.0 | 17.0 |
| 5/8″ | 13.0 | 11.0 | 24.0 |
| 3/4″ | 17.0 | 15.0 | 32.0 |
| 1″ | 25.0 | 22.0 | 47.0 |
2. Ferrule Weight Chart Metric:
| Tube OD (mm) | Front Ferrule Weight (g) | Back Ferrule Weight (g) | Total Weight per Set (g) |
|---|---|---|---|
| 6 mm | 3.0 | 2.5 | 5.5 |
| 8 mm | 4.5 | 3.8 | 8.3 |
| 10 mm | 6.0 | 5.0 | 11.0 |
| 12 mm | 8.0 | 7.0 | 15.0 |
| 15 mm | 11.5 | 10.0 | 21.5 |
| 18 mm | 15.0 | 13.0 | 28.0 |
| 22 mm | 20.0 | 17.0 | 37.0 |
Typically, Ferrules are used in a wide range of industries as applications. They are as given below:
There is not one but several reasons why you need to choose Tubotech, a top piping and tubing components manufacturer in India. They are as given below:
If you're seeking dependable, high-performance equivalent Ferrules for your next project, look no further than Tubotech. As a fine Ferrules Vendor and Ferrules Exporter, we are ready to copy your operations with world-class fittings and unmatched customer service
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.