Cobalt Alloy Welding Rods

What is Cobalt Alloy Welding Rod ?

Cobalt alloy welding rods are tough, reliable materials used for joining or hardfacing parts that face extreme conditions. They offer strength, corrosion resistance, and easy machinability. Even under high stress or harsh environments, these rods hold their shape and structure. Parag Metals supplies a wide range of cobalt welding rods, including grades like Cobalt 6b and Cobalt 21. These are ideal for applications that demand both durability and clean processing.

Cobalt alloy welding rods are known for their wear resistance. They form a hard surface that stands up to abrasion, erosion, and metal contact. They also handle heat well, keeping their strength even at 1000°C. These rods resist rust and chemical attack, especially in harsh areas like chemical plants or offshore equipment. They also fight cracking under stress and perform well in parts that face constant pressure or motion.

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Cobalt Welding Rod, Cobalt Alloy Welding Rod, Cobalt Welding Electrode, Cobalt Alloy Welding Rod Supplier, Cobalt Alloy Welding Rod Stockist.

These rods are used where parts face wear, heat and corrosion such as car engine valves, hot shear blades, forging dies, and high-pressure valves. It is also used in turbine parts, bearings, and pumps, where metal-to-metal contact and heat would wear down regular alloys.

We make sure every cobalt alloy welding rod goes through strict quality checks. We test for strength, chemical composition, and heat resistance before shipping. As a trusted cobalt alloy welding rod supplier, we’re here to support your toughest welding needs—reach out today to find the right rod for your project.

Advantages of Cobalt Alloy Welding Rod

Excellent high-temperature strength and thermal stability.
Good resistance to oxidation, corrosion, and thermal fatigue.
Maintains toughness and dimensional stability under extreme conditions.
Suitable for precision welding of aerospace, power generation, and industrial components.
Resistant to wear, creep, and stress-rupture at elevated temperatures.

Uses of Cobalt Alloy Welding Rod

Gas turbine blades, aircraft engines, and aerospace components.
Industrial furnace components and heat-treating equipment.
Power generation systems and high-temperature valves.
Oil and gas industry equipment exposed to corrosive and high-temperature environments.
Medical implants and tooling requiring biocompatibility and strength.

Specification of Cobalt Alloy Welding Rod

Standard	AWS A5.14 ERNiFe-Co, ASME SFA 5.14
International Specifications	DIN, BS, JIS, ASTM WERKSTOFF NR 2.3070, EN NiFe29Co17
Size	1.6 mm, 2.0 mm, 2.5 mm, 3.15 mm, 4.0 mm, 5.0 mm Dia.
Length	250 mm, 300 mm, 350 mm, 400 mm, 450 mm
Type	Welding Electrode, Arc Welding Rods, Tig Welding Rods

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Available Types of Cobalt Alloy Welding Rod

Cobalt Alloy Welding Rod Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	EN	BS	GOST
Cobalt Alloy	2.4605	N06600	NW 6600	CoCr28	NA 13	ХН65МБТЮ

Chemical Composition Of Cobalt Alloy Welding Rod

Grade	Co	Cr	Ni	Fe	C	Mn	Si	W	Mo	C
Cobalt Alloy	Bal	27 – 30	–	5 max	0.35 max	1 max	1 max	–	–	–

Cobalt Alloy Welding Rod Mechanical Properties

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2% Offset)	Elongation
Cobalt Alloy	8.9 g/cm³	1450–1500 °C (2642–2732 °F)	550–750 MPa (80–110 ksi)	310–450 MPa (45–65 ksi)	30–40 %