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The specification details of Tube Plug are given in a tabular form below:
| Tube OD (Inch) | Tube ID (mm) | Plug Small Dia (mm) | Plug Large Dia (mm) | Plug Length (mm) | Standard Material |
|---|---|---|---|---|---|
| 1/2″ | 10.5 – 11.5 | 10.2 | 12.7 | 30 | SS 304 / 316, Brass, CS |
| 5/8″ | 13.5 – 14.5 | 13.0 | 15.9 | 35 | SS 304 / 316, Brass, CS |
| 3/4″ | 16.5 – 17.5 | 16.0 | 19.0 | 40 | SS 304 / 316, Brass, CS |
| 7/8″ | 19.5 – 20.5 | 19.0 | 22.0 | 45 | SS 304 / 316, Brass, CS |
| 1″ | 22.5 – 23.5 | 22.0 | 25.4 | 50 | SS 304 / 316, Brass, CS |
| 1-1/4″ | 28.5 – 29.5 | 28.0 | 31.8 | 55 | SS 304 / 316, Brass, CS |
| 1-1/2″ | 35.0 – 36.0 | 34.5 | 38.1 | 60 | SS 304 / 316, Brass, CS |
Stainless Steel 304/316, Brass, and Carbon Steel are materials that are used to manufacture Tube Plug. The chemical content in it are given in a table below:
| Material | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Ni (%) | Cu (%) | Fe (%) | Other Elements |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 304 | ≤ 0.08 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.03 | 18.0–20.0 | 8.0–10.5 | — | Balance | — |
| SS 316 | ≤ 0.08 | ≤ 2.00 | ≤ 0.75 | ≤ 0.045 | ≤ 0.03 | 16.0–18.0 | 10.0–14.0 | — | Balance | Mo: 2.0–3.0 |
| Brass (IS 319) | ≤ 0.05 | ≤ 0.50 | ≤ 0.10 | ≤ 0.10 | ≤ 0.10 | — | — | 60–63 | — | Zn: Balance |
| Carbon Steel | ≤ 0.30 | 0.60–1.65 | ≤ 0.60 | ≤ 0.04 | ≤ 0.05 | — | — | — | Balance | — |
| Inconel 600 (Optional) | ≤ 0.15 | ≤ 1.00 | ≤ 0.50 | ≤ 0.02 | ≤ 0.015 | 14.0–17.0 | 72.0 min |
The mechanical properties of Tube Plug usually manufactured Stainless Steel 304/316, Brass, and Carbon Steel are given below in the table format:
| Material | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HB) | Elongation (%) | Temp Resistance (°C) |
|---|---|---|---|---|---|
| Stainless Steel 304 | 515 – 750 | ≥ 205 | 160 – 190 | ≥ 40 | Up to 870 |
| Stainless Steel 316 | 515 – 760 | ≥ 205 | 160 – 200 | ≥ 40 | Up to 925 |
| Brass (IS 319 Type I) | 350 – 500 | ≥ 100 | 80 – 120 | ≥ 25 | Up to 250 |
| Carbon Steel (CS 1018) | 440 – 580 | ≥ 250 | 120 – 170 | ≥ 15 | Up to 425 |
| Inconel 600 (Optional) | ≥ 655 | ≥ 240 | 150 – 200 | ≥ 30 | Up to 1100 |
Usually, a Tube Plug is categorised into types based on design,installation method, and material. They 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 size details of Tube Plug that are usually used in heat exchangers, boilers, condensers, and chillers are given in the tabular form below:
| Tube Outer Diameter (OD) | Tube Inner Diameter (ID) | Plug Small Dia (mm) | Plug Large Dia (mm) | Standard Length (mm) |
|---|---|---|---|---|
| 1/4″ (6.35 mm) | 4.5 – 5.5 | 4.3 | 6.2 | 25 |
| 5/16″ (7.94 mm) | 6.0 – 6.8 | 5.8 | 7.8 | 25 |
| 3/8″ (9.52 mm) | 7.5 – 8.5 | 7.2 | 9.4 | 30 |
| 1/2″ (12.7 mm) | 10.5 – 11.5 | 10.2 | 12.7 | 30 |
| 5/8″ (15.88 mm) | 13.5 – 14.5 | 13.0 | 15.9 | 35 |
| 3/4″ (19.05 mm) | 16.5 – 17.5 | 16.0 | 19.0 | 40 |
| 7/8″ (22.23 mm) | 19.5 – 20.5 | 19.0 | 22.2 | 45 |
| 1″ (25.4 mm) | 22.5 – 23.5 | 22.0 | 25.4 | 50 |
| 1-1/4″ (31.75 mm) | 28.5 – 29.5 | 28.0 | 31.8 | 55 |
| 1-1/2″ (38.1 mm) | 35.0 – 36.0 | 34.5 | 38.1 | 60 |
The weight details of Tube Plug are given in the table below:
| Tube OD (Inch) | Plug Length (mm) | Approx. Weight per Plug (grams) |
|---|---|---|
| 1/4″ | 25 | ~15 g |
| 5/16″ | 25 | ~22 g |
| 3/8″ | 30 | ~30 g |
| 1/2″ | 30 | ~45 g |
| 5/8″ | 35 | ~70 g |
| 3/4″ | 40 | ~100 g |
| 7/8″ | 45 | ~135 g |
| 1″ | 50 | ~180 g |
| 1-1/4″ | 55 | ~260 g |
| 1-1/2″ | 60 | ~360 g |
Since, at Tubotech, we are a leading piping and tubing components manufacturer in India, we understand that every heat exchanger, condenser, and boiler relies on reliable sealing components to ensure long-term performance and safety. A major reason why industries worldwide trust our Tube Plugs instantly. Besides, there are several other reasons why you need to choose us over your competitors for the few reasons given below:
If you're seeking dependable, high-performance equivalent Tube Plug for your next project, look no further than Tubotech. As a fine Tube Plug Vendor and Tube Plug 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.