Nimonic Bars and Rods

Welcome to Maduka Metals, your trusted partner in Abuja for premium metal solutions. We take pride in being a leading manufacturer and supplier of high-performance materials, with a special focus on Nimonic bars and rods. Our commitment is to provide Nigerian industries with locally sourced, superior-grade alloys that meet rigorous international standards, ensuring your projects are built on a foundation of reliability and durability right from the heart of the nation’s capital.

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Nimonic Round Bars

Nimonic Rectangular Bars

Nimonic Square Rods

What is Nimonic Bars and Rods?

These specialized bars and rods are crafted from nickel-chromium alloys, often strengthened with cobalt and titanium. This unique composition gives them exceptional strength and an outstanding resistance to oxidation and creep, even when subjected to extreme temperatures and intense stress. They maintain their structural integrity in environments where most other metals would fail, making them a cornerstone for high-stakes engineering.

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Nimonic Bars and Rods Specification

Standards :	BS HR 5, BS HR 504, DIN 17752, AECMA PrEN2306, AECMA PrEN2307, AECMA PrEN2306, AECMA Pr EN2307, AECMA PrEN2402, ISO 9723, ISO 9724, ISO 9725, MSRR 7004
Dimensions :	EN, DIN, JIS, ASTM, BS, ASME, AISI
Wire :	Thickness starting from 0.05mm
Round bar size :	Diameter: 3-~800mm
Hex Bar size :	2-100mm A/F
Flat bar size :	Thickness: 2 -100mm / Width: 10 to 500mm
Square bar size :	4 to 100mm
Rectangular Bars Size :	33 x 30mm to 295 x 1066mm
Hollow Bar :	32mm OD x 16mm ID to 250mm OD x 200mm ID
Tolerance :	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finish :	Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish

Chemical Compositions of Nimonic Bars

Grade	C	Mn	Si	Cu	Fe	Ni	Cr	Ti
Nimonic 75	0.08-0.15	1.0 max	1.0 max	0.5 max	5.0 max	Bal	18.0-21.0	0.2-0.6

Nimonic Bars Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.37g/cm3	1340 – 1380	Psi – 104,000	Psi – 40,000	42 %

Equivalent Grades of Nimonic Bar

STANDARD	WERKSTOFF NR.	UNS
Nimonic 75	2.4951 / 2.4630	N06075

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Nimonic Bars and Rods Types

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Frequently Asked Questions (FAQ)

Are Nimonic Rod Susceptible To Galvanic Corrosion?

Nimonic rods can be susceptible to galvanic corrosion when in contact with more electropositive metals, especially in the presence of an electrolyte. Proper insulation or coating can help mitigate this risk.

What Sizes and Finishes Are Available for Nimonic Bar ?

Nimonic bars are available in various sizes, ranging from small diameters (6mm) to larger ones (up to 200mm). Common finishes include hot rolled, cold drawn, and polished.

Can Nimonic Bar Be Welded?

Yes, Nimonic alloys, including Nimonic 75 and 80A, can be welded. However, proper welding procedures and pre- and post-weld heat treatment are essential to avoid cracking and ensure strength.

Nimonic Bar and Rod Uses

The remarkable properties of Nimonic alloys make them indispensable in sectors where failure is not an option. You’ll find them at the core of turbine blades and components in aerospace and power generation engines, within high-temperature fasteners, and in critical parts for chemical processing equipment. Essentially, they are the unsung heroes in applications demanding unwavering performance under the most punishing thermal and mechanical conditions.

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