Welcome to Maduka Metals, your trusted partner in Abuja for premium specialty alloys. We take pride in supplying high-performance materials to Nigeria’s growing industrial sector, offering not just products but reliable solutions. Our focus is on providing the exceptional RENE 41 bar and rod, a superalloy chosen for the most demanding environments where failure is not an option. We understand that your projects require unwavering quality, and we are here to deliver just that, right here in the heart of the nation.
RENE 41 is a nickel-cobalt-chromium superalloy renowned for its incredible strength at extreme temperatures. Its composition includes significant amounts of molybdenum and titanium, which work together to create exceptional resistance to heat and corrosion. Even when exposed to temperatures up to 1800°F (980°C), it maintains remarkable tensile and creep strength. This makes it significantly more robust than many standard stainless steels, capable of handling intense stress and pressure without deforming or weakening over time.
| Standards : | AMS 5545, AMS 5712, AMS 5713, AMS 5800, EN 2.4973, GE B50T59, GE B50TF109, GE B50TF76, UNS N07041, Werkstoff 2.4973 |
| Thickness : | Range from .008″ to .0125″ |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Form : | Bar, Rod |
| Tungsten Grades | HA 190 / HA 1925 / HA 195 / HE 390 / HE 3925 / HE 395 / HE 397 |
| Cr | Ni | Mo | Co | Al | Ti | B | C | Fe | Mn | Si | S | Cu | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MIN | 18.00 | — | 9.00 | 10.00 | 1.40 | 3.00 | 0.003 | — | — | — | — | — | — |
| MAX | 20.00 | Balance | 10.50 | 12.00 | 1.80 | 3.30 | 0.01 | 0.12 | 5.00 | 0.10 | 0.50 | 0.015 | 0.50 |
| Mechanical & Physical Properties | 21°C | 427°C | 538°C | 649°C | 760°C | 871°C | 982°C |
|---|---|---|---|---|---|---|---|
| Ultimate Tensile Strength /MPa | 1261.7 | – | – | 1117 | 1048 | 710.2 | – |
| 0.2% Yield Strength /MPa | 820.5 | – | – | 765.3 | 751.5 | 579.2 | – |
| Elongation % | 21 | – | – | 14 | 14 | 11 | – |
| Coefficient of Thermal Expansion µm/m⁰C | – | 13.3 | 13.7 | 14.3 | 15.1 | 15.5 | 16.7 |
| Thermal Conductivity /kcal/(hr.m.°C) | – | 14.4 | 16.1 | 17.9 | 19.6 | 21.4 | – |
| Modulus of Elasticity / x105 MPa | – | 2 | 1.93 | 1.79 | 1.72 | 1.65 | 1.52 |
Yes, RENE 41 bar can be welded using suitable techniques like gas tungsten arc welding (TIG) or gas metal arc welding (MIG). Preheating and post-weld heat treatment are recommended for optimal results.
RENE 41 bars are available in sizes ranging from 6mm to 250mm diameter, with finishes including hot-rolled, cold-drawn, rough-turned, centerless ground, and polished options.
Yes, RENE 41 rods are susceptible to galvanic corrosion when coupled with dissimilar metals in an electrolyte, especially if the other metal is more anodic. Proper isolation is recommended.
The unique properties of RENE 41 make it indispensable in aerospace and power generation. You’ll find it in critical components like jet engine turbine blades, exhaust systems, and high-temperature fasteners. Beyond aviation, it’s essential for manufacturing parts for gas turbines, rocket engines, and nuclear reactors. Any application that pushes materials to their thermal and mechanical limits is a perfect fit for this bar and rod, ensuring reliability and safety in the most challenging conditions imaginable.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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