Cobalt Base Alloys CO25 Filler Wire - Ragnar Welding supplies

Cobalt Base Alloys CO25 Filler Wire Manufacturer and Supplier in Jakarta, Indonesia

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Ragnar Welding Supplies is a high end manufacturer and distributor of Cobalt Base Alloys CO25 Filler wire that is based in Jakarta, Indonesia, which specializes in the production and supply of high quality welding materials that are applicable in the demanding environment in the industrial sector. Through specialisation in hardfacing, repair, and overlay welding, the CO25 filler wire of Ragnar is of superior wear, heat and corrosion resistance that provides long service in high stress areas. CO25 is popular in aerospace, power generation, petrochemical and mining sectors and is applied to improve the durability and efficiency of key components. Ragnar Welding Supplies is dedicated to quality, innovation, and customer service and is committed to providing quality welding consumables of international standard and is capable of enabling the professionals to increase the life span and performance of industrial equipment.

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Cobalt Base Alloys CO25 Filler Wire Specification

Classification	AWS A5.21, CO25
Form	spools, Reels and Coils
Type Of Welding	Inert Gas Welding
Current	DCEP / DCEN
Size	0.76 mm ∞ *4.70xmm
AWS CO25 Filler Wires Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

What is Cobalt Base Alloys CO25 Filler Wire?

Cobalt Base Alloys CO25 Filler Wire consists of Cobalt (balance), Chromium 25 30, Tungsten 4 6, Nickel 3, Carbon 1.2 2.2, Iron 3 and Silicon 1. It has good hardness (38 -42 HRC), high temperature strength, and wear resistance and is able to perform in extreme thermal and mechanical conditions. CO25 has better abrasion resistance, corrosion, oxidation, and galling resistance hence can be used in service environments characterized by heavy usage. Its toughness and durability are of great use by giving its components, which are at high friction levels, impact and high-temperature levels of service life, hence it is suitable in industrial, aerospace, and energy applications.

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Cobalt Base Alloys CO25 Filler Wire Chemical Composition

Co	Cr	W	C	Ni	Mo	Others	Hardness	Density	Melting Range
Bal.	20	15	0.1	10	< 1.0	Fe, Si, Mn	20 – 45 HRC	8.31 g/cm3	1329 – 1410 ºC

Cobalt Base Alloys CO25 Filler Wire Mechanical Properties

Mechanical properties
Hardness (HRC)	~230 HRC

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Leading Industrial Supplier of Cobalt Base Alloys CO25 Filler Wire For Welding Solutions in Indonesia

At Ragnar Welding Supplies, we take pride in being one of Indonesia’s trusted suppliers of high-quality welding consumables. Our expertise lies in Cobalt Base Alloys CO25 Filler Wire, engineered for precision, durability, and resistance to corrosion. With a strong commitment to quality and customer satisfaction, we provide welding solutions that support industries across construction, energy, shipbuilding, and manufacturing.

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Types of Cobalt Base Alloys CO25 Filler Wire

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Cobalt Base Alloys CO25 Filler Wire Uses

Application Cobalt Base Alloys CO25 Filler Wire is mainly utilized and applied in hardfacing, overlaying as well as repairing wherein high wear, heat, and corrosion resistance is paramount. It is best used on valve seats, turbine blades, pump parts, dies, cutting tools and bearing surfaces that experience abrasion, impact, and high temperatures. CO25 is also widely used in aerospace, power generation, petrochemical and mining industries to improve wear life and performance of new and used parts. It is very hard, tough and resistant to oxidation and galling and therefore it is a good substitute in protecting the important equipment in the extreme operating environments.

Industry We Serve

The Ragnar Industries Server is built to deliver reliability, speed, and scalability for mission-critical operations. Designed for modern industrial environments, it ensures seamless performance in manufacturing, engineering, energy, and automation sectors.