Cobalt Alloy Pipes

What is Cobalt Alloy Pipes ?

Cobalt alloy pipes are high-performance metallic tubes made from cobalt-based materials that deliver excellent strength, corrosion resistance, and high-temperature stability. These pipes are perfect for demanding industrial settings where conventional alloys may fail. At Parag Metals, we supply top-grade cobalt alloy pipes to industries that demand performance and durability under extreme conditions. Our products meet strict quality standards and are trusted by clients across sectors.

Cobalt pipes are widely used in the aerospace, medical, power, and chemical industries. They are utilized in engine parts, hydraulic systems, and fuel lines in aerospace. Their biocompatibility makes them appropriate for implanted devices and surgical equipment in medical applications. Power plants and chemical industries use cobalt pipes in heat exchangers, reactors, and high-pressure lines due to their resistance to stress corrosion and oxidation.

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These pipes are available in a wide range of sizes, typically from 10mm to 300mm in outer diameter and lengths up to 6 meters. They can be manufactured in seamless or welded forms depending on application requirements. Cobalt alloy pipes usually conform to standards such as ASTM F90, F1537, and other aerospace or medical specifications. With a high melting point and resistance to thermal fatigue, these pipes perform well in aggressive environments involving heat, pressure, or corrosive media.

Every pipe goes through strict quality checks for chemical composition, tensile strength, dimensional accuracy, and surface finish. We ensure our customers receive durable, tested, and ready-to-use cobalt alloy pipe stock—delivered on time and as promised.

Advantages of Cobalt Alloy Pipes

Exceptional high-temperature strength and creep resistance.
Excellent corrosion and oxidation resistance in aggressive environments.
Maintains mechanical properties under cyclic and thermal stresses.
Good wear and erosion resistance.
Weldable and suitable for complex fabrication requirements.

Uses of Cobalt Alloy Pipes

Aerospace and gas turbine components including blades and combustors.
High-temperature chemical processing equipment.
Power generation equipment such as boilers and heat exchangers.
Medical implants and devices requiring biocompatibility.
Marine and offshore applications exposed to extreme corrosion and temperature.

Specification of Cobalt Alloy Pipes

Standards	ASTM B601, ASTM B622, ASME SB601, ASME SB622
Dimensional	ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Pipe Size	1/8″ NB – 12″ NB (depending on alloy type)
Welded Pipe Size	1/2″ NB – 24″ NB
Outside Diameter	3 mm OD up to 610 mm OD, custom sizes available
Pipe Type	Seamless / Welded / ERW / Fabricated
Thickness Range	SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, Custom
Pipes End	Plain End, Beveled End, Threaded One End, TBE (Threaded Both Ends)
Value Added Services	Cutting, Beveling, Polishing, Annealing, Destructive / Non-Destructive Testing

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Available Types of Cobalt Alloy Pipes

Cobalt Alloy Pipe Equivalent Grades

UNS (Unified Numbering System)	Standard Designation (e.g., ASTM, ASME, AMS)	W.Nr. (Werkstoffnummer)	Common Trade Names
N06022	ASTM B622, ASME SB622	2.4602	Hastelloy C-22
N10276	ASTM B622, ASME SB622	2.4819	Hastelloy C-276
N06002	ASTM B622	2.4665	Hastelloy X
R30006	AMS 5894	–	Cobalt Alloy 6B, Stellite 6B
R30035	AMS 5758, AMS 5844, ASTM F562	–	MP35N
R30556	–	–	Haynes 556

Chemical Composition Of Cobalt Alloy Pipe

Nickel	Cobalt	Iron	Manganese	Silicon	Carbon	Chromium	Phosphorus	Sulphur
28.5 – 29.5	16.8 – 17.8	Balance	≤ 0.50	≤ 0.20	≤ 0.04	≤ 0.20	≤ 0.02	≤ 0.02

Cobalt Alloy Pipe Mechanical Properties

Tensile Strength (MPa)	Yield Strength 0.2% (MPa)	Elongation (%)	Hardness (HRB)	Elastic Modulus (GPa)	Density (g/cm³)
500 – 620	275 – 415	25 – 35	75 – 90	~138	~8.3