We are manufacturer, supplier and distributor of Nitronic 40 Thermowell, UNS S21900 Thermowell, EN X5CrMnNi16-6-3 Thermowell, 1.3964 Thermowell.
Renine Metalloys LLP stands as a distinguished manufacturer, supplier, and stockist of thermowells, delivering precision-engineered temperature protection solutions to process industries worldwide. With extensive expertise in fabricating critical instrumentation components, the company has established itself as a trusted name for businesses seeking reliable thermowell solutions for temperature measurement and process control applications across diverse industrial sectors.
As a premier thermowell manufacturer, Renine Metalloys LLP specializes in producing high-quality thermowells in various materials including stainless steel thermowells, carbon steel thermowells, Inconel thermowells, Monel thermowells, and Hastelloy thermowells. The company's advanced manufacturing facility produces thermowells in multiple configurations such as flanged thermowells, threaded thermowells, socket weld thermowells, and welded thermowells, ensuring compatibility with diverse process conditions and temperature sensor requirements.
The comprehensive inventory maintained by Renine Metalloys LLP as a dedicated thermowell stockist enables quick delivery and immediate availability of products in standard and custom designs. Whether clients require straight shank thermowells, tapered thermowells, stepped thermowells, or custom-designed thermowells, the company's flexible manufacturing capabilities ensure that specific application requirements are met with precision. This positions them as a dependable thermowell supplier capable of handling both urgent replacements and large-scale project orders.
Quality assurance is paramount at Renine Metalloys LLP. Every thermowell undergoes rigorous testing including dimensional verification, pressure testing, wake frequency calculations, and material certification. The company adheres to international standards such as ASME PTC 19.3 TW, ensuring that each industrial thermowell provides optimal protection for temperature sensors while maintaining process integrity and safety.
Understanding the critical role of thermowells in protecting temperature instruments from harsh process conditions including high pressure, corrosive media, and extreme temperatures, Renine Metalloys LLP offers expert engineering support. Their technical team assists with thermowell selection, wake frequency analysis, and material compatibility assessments, ensuring optimal performance and longevity in applications across oil and gas, chemical processing, petrochemical, pharmaceutical, and power generation industries.
With competitive pricing, certified quality products, and efficient delivery network, Renine Metalloys LLP serves as your comprehensive partner for all thermowell requirements, supporting safe and accurate temperature measurement in critical industrial processes with unwavering reliability and technical excellence.
Nitronic 40 Thermowell Manufacturer, UNS S21900 Thermowell Supplier, EN X5CrMnNi16-6-3 Thermowell Stockist, 1.3964 Thermowell Exporter.
Specifications
| Standard | ANSI B16.5, DIN, JIS, BS |
| Thermowell Type | Straight / Tapered / Stepped |
| Mounting Style | Threaded (NPT/BSP), Flanged, Socket Weld, Weld-in, Van-Stone |
| Process Connection Size | ½" to 4" (NPT), or Flange: 150#, 300#, 600#, 900#, 1500#, 2500# |
| Size | 4”, 6”, 8”, 12”, 18” Customization is Possible. |
| Shank OD | 6 mm, 8 mm, 10 mm, 12.7 mm, 16 mm, 22 mm, custom |
| Bore Size | 6 mm, 6.5 mm, 8 mm, 9 mm, 12 mm |
| Insertion Length (U-dimension) | 50 mm to 1200 mm |
| Lagging Extension (T-dimension) | Customized: 25–200 mm |
| Overall Length (OAL) | U + T + head length |
| Temperature Rating | –196°C to +800°C (material dependent) |
| Surface Finish (External) | 1.6–3.2 Ra µm |
| Surface Finish (Internal Bore) | 0.8–1.2 Ra µm |
| Finishing | As per material. |
| Tip Thickness | 2 mm to 7 mm |
| Tip Style | Conical / Hemispherical / Flat |
| Weld Type (if welded) | Full-penetration TIG weld |
| Sensor Compatibility | RTD, Thermocouple (J, K, T, N, R, S, B) |
| Thread Type (for threaded wells) | NPT, BSPP, BSPT |
| Coatings (Optional) | PTFE, Ceramic, Electro-polishing |
| NDT Testing | Hydrotest, Dye-Penetration, Ultrasonic, PMI |
| Certification | EN 10204 3.1 / 3.2, IBR (if applicable), Material Test Certificate |
Available type of thermowell
UNS S21900 Nitronic 40 Thermowell
1.3964 Flanged Thermowell
EN X5CrMnNi16-6-3 Sanitary Stepped Thermowell
1.3964 Socket Weld Thermowell
UNS S21900 Weld In Thermowell
Nitronic 40 Threaded Thermowell
1.3964 Van Stone Thermowell
UNS S21900 Vortex Thermowell
Equivalent
| Alloy | UNS | WNR |
|---|---|---|
| Nitronic 40 | UNS S21900/S21904 | 1.3965 |
Chemical composition
| Element | Composition |
|---|---|
| Carbon (C) | ≤ 0.03 % |
| Chromium (Cr) | 21.0 – 23.0 % |
| Silicon (Si) | ≤ 1.0 % |
| Phosphorous (P) | ≤ 0.045 % |
| Sulphur (S) | ≤ 0.03 % |
| Nickel (Ni) | 6.0 – 9.0 % |
Stock available at our warehouse
| UNS S21900 Flanged Thermowell | UNS S21900 Vortex Thermowell |
| EN X5CrMnNi16-6-3 Sanitary Stepped Thermowell | EN X5CrMnNi16-6-3 Welded Thermowell |
| 1.3964 Socket Weld Thermowell | 1.3964 Solid Bar Stock Thermowell |
| UNS S21900 Weld In Thermowell | UNS S21900 Fabricated Thermowell |
| EN X5CrMnNi16-6-3 Threaded Thermowell | EN X5CrMnNi16-6-3 Straight Thermowell |
| 1.3964 Van Stone Thermowell | 1.3964 Stepped Thermowell |
Industries We Serves
Chemical industries
Desalination plant
Oil and Gas
Petroleum Refinery
Pharmaceutical industries
Refinery plant
Flanges
block
Testing Facilities
