Grade Mar M247 Bar and Rods

Hemi Metals, based in Hamilton, New Zealand, takes pride in supplying high-performance materials to local and international industries. We are a trusted source for demanding applications, and our selection of Grade Mar M247 bar and rod stock exemplifies this commitment. This material is engineered for extreme service, offering an exceptional balance of strength and resilience that stands up to the most challenging environments, making it a cornerstone for innovation in critical engineering projects where failure is not an option.

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Grade Mar M247 Round Bars

Gr Mar M247 Rectangular Bars

Grade Mar M247 Square Rods

What is Grade Mar M247 Bar and Rods?

The composition of Grade Mar M247 is a carefully balanced nickel-cobalt superalloy, rich in key elements like chromium, tungsten, and tantalum. This sophisticated alloy delivers outstanding mechanical properties, including exceptional tensile and creep strength that remains stable at sustained, high temperatures. Its remarkable resistance to thermal fatigue and oxidation ensures long-lasting performance, making it a reliable choice when standard materials simply cannot withstand the intense heat and stress of demanding operational conditions.

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Grade Mar M247 Bar and Rods Specification

Size :	Dia3-120mm
Length :	3 meter, Size: 1/2 inch
Form:	Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Finish :	Cold drawn, Bright drawn, Centreless ground, Cold finished, Peeled and turned, Smooth turned, Slit rolled edge, Hot finished, Hot rolled, Rough turned/peeled, Peeled and reeled

Chemical Compositions of Grade Mar M247 Bar

Grade	C	Si	Mn	S	Cr	Ni	Mo	Co	W	Ti	Fe	Ta	Zr	B
Mar M247	0.55-0.65	0.10 max	0.10 max	0.015 max	22.50-24.35	9.00-11.00	–	Bal	6.50-7.50	0.50 max	2.00 max	3.00-4.00	0.30-0.70	0.010 max

Grade Mar M247 Bar Mechanical Properties

Grade	Cr	Co	Mo	W	Al	Ti	Ta	Hf	B	C	Zr	Ni
MAR M247	8.0	10.0	0.7	10.0	6.0	1.0	3.0	1.0	0.015	0.15	0.05	Bal

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Grade Mar M247 Bar and Rods Types

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Frequently Asked Questions (FAQ)

Can Grade Mar M247 Bar Be Welded?

Yes, Grade Mar M247 bar can be welded using appropriate welding techniques like gas tungsten arc welding (GTAW) or laser welding, but preheating and post-weld heat treatment are often recommended.

14. Are there specific welding consumables for Gr Mar M247 Bar?

Yes, for welding Gr Mar M247 Bar, typically used consumables include Inconel 625, Inconel 718, or similar high-nickel alloys to ensure compatibility with its high-temperature and corrosion-resistant properties.

Are Grade Mar M247 Rod Susceptible To Galvanic Corrosion?

Grade Mar M247, primarily used for turbine blades, is generally resistant to galvanic corrosion due to its high alloy content. However, galvanic corrosion risk can arise when coupled with dissimilar metals.

Grade Mar M247 Bar and Rods Uses

You’ll typically find Grade Mar M247 bars and rods hard at work in the most punishing parts of jet engines and power generation turbines, such as turbine blades and vanes. Its incredible heat resistance also makes it ideal for critical components in industrial furnaces and high-temperature fasteners. Essentially, this superalloy is the go-to material for any application where immense strength and unwavering integrity are required at temperatures that would cause other metals to soften and fail.

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