Nimonic 80S Round Bar

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Nimonic 80S Round Bar Specification

Tolerance
H9, H11, H13

Processing
Peeled, Centreless Ground

Finish
Bright, Black, Polished

Material
Nimonic 80S

Technique
Hot Rolled / Forged

Specific Use
Aerospace Components, Gas Turbine Parts

Application
Engineering, Construction and Manufacturing

Length
As per requirement / Customized

Grade
Nimonic 80A, Nimonic 80S

Type
Round Bar

Standard
ASTM, ASME, DIN, EN

Diameter
8mm - 200mm

Density
8.19 g/cm

Yield Strength
600 MPa min

Available Forms
Bars, Rods, Rounds

Heat Treatment
Solution Annealed

Ultimate Tensile Strength
Up to 1000 MPa

Hardness
220 HB max

Elongation
20% Min

Melting Point
1354C

Condition
Annealed / Aged

Surface Condition
Smooth, Free From Surface Defects

Corrosion Resistance
Excellent in High-Temperature Environments

About Nimonic 80S Round Bar

What Are Specification Nimonic 80S Round Bar?

Specifications	ASTM B691 / ASME SB691
Standard	EN, DIN, JIS, ASTM, BS, ASME, AISI
Range	3.17 MM TO 350 MM DIA
Diameter	25mm to 152mm
Length	1 to 6 Meters, Custom Cut Lengths
Finish	Bright, Polish & Black
Form	Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wiremesh, Billet, Ingot, Forging Etc.
Condition	Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished

Equivalent material Of Nimonic 80S Round Bar?

STANDARD	WERKSTOFF NR.	UNS
Nimonic Alloy 80A	2.4631	N07080

Chemical Composition Of Nimonic 80S Round Bar?

Grade	C	Ni	Cu	Cr	Ti	Fe	Mn
Nimonic Alloy 80A	0.10 max	Bal	0.2 max	18.0-21.0	1.8-2.7	3.0 max	1.0 max

Mechanical Properties Of Nimonic 80S Round Bar?

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
80S	8.1 g/cm3		Psi 110000, MPa 760	Psi 55100, MPa 380	45 %

High-Temperature Performance

Nimonic 80S Round Bar exhibits excellent mechanical properties under elevated temperatures, making it a preferred choice for environments where thermal stability is crucial. Its ability to maintain integrity under thermal stress makes it ideal for gas turbines, engine parts, and critical aerospace applications. The robust heat treatment process, including solution annealing, ensures durability and a long service life, even in the harshest operational conditions.

Manufacturing Flexibility and Quality

These round bars are hot rolled or forged to precise tolerances (H9, H11, H13) and come in various surface finishes such as peeled, centreless ground, or polished. Quality control ensures surfaces are smooth and free from defects. Customers can order customized lengths and diameters, guaranteeing compatibility with diverse engineering requirements. This flexibility enhances their utility in sectors demanding both strength and accurate dimensions.

FAQs of Nimonic 80S Round Bar:

Q: How is Nimonic 80S Round Bar typically processed to ensure its high performance?

A: Nimonic 80S Round Bar is processed through hot rolling or forging, followed by solution annealing to enhance its mechanical properties and corrosion resistance. The bar may further undergo peeling or centreless grinding to achieve a smooth finish free from surface defects.

Q: What are the main benefits of using Nimonic 80S Round Bar in aerospace or gas turbine applications?

A: The main benefits include excellent high-temperature strength, outstanding corrosion resistance, and long-term durability. Its ability to maintain structural stability at elevated temperatures makes it particularly valuable for aerospace components and gas turbine parts.

Q: When should Nimonic 80S Round Bar be selected over other nickel alloys?

A: Nimonic 80S Round Bar should be chosen when applications require a combination of high tensile strength (up to 1000 MPa), good elongation (minimum 20%), and resistance to oxidation and corrosion at high temperatures, such as in engineering or manufacturing settings.

Q: Where can Nimonic 80S Round Bars be supplied from in India?

A: These round bars are available from reputable exporters, manufacturers, suppliers, and traders across India. They conform to recognized international standards such as ASTM, ASME, DIN, and EN, ensuring consistent quality and performance.

Q: What is the typical usage process for Nimonic 80S Round Bar in manufacturing?

A: Manufacturers typically cut the bars to the required length, machine to desired dimensions, and perform heat treatments or surface finishing as per specifications. This versatility allows seamless integration into engineering, construction, and high-performance manufacturing applications.

Q: How does the surface condition of Nimonic 80S Round Bar contribute to its performance?

A: A smooth, defect-free surface achieved through peeling or centreless grinding minimizes stress concentrations, reduces corrosion sites, and helps in achieving tighter tolerances, thereby improving overall mechanical performance and lifespan.

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