AWS Class ER312 MIG and TIG Filler Welding Wire and Rod

AWS Class ER312 MIG and TIG Filler Welding Wire and Rod Manufacturer and Supplier in Jakarta, Indonesia

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Ragnar Welding Supplies is an Indonesian company that produces and supplies AWS Class ER312 MIG and TIG filler welding wires and rods, which are headquartered in Jakarta, Indonesia. ER312 products, specifically designed to weld dissimilar metals, including austenitic stainless steels to carbon or low-alloy steels, are offered to offer great corrosion resistance, high temperature strength and dependable mechanical characteristics. The high quality of the welds that are used by the industrial and corporate business is guaranteed by state of the art production plants and a high level of quality control by Ragnar Welding Supplies. Our ER312 wires and rods are ideal in chemical plants, power generation, petrochemical equipment, and heavy fabrication and provide flawless, smooth and durable weld joints.

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AWS Class ER312 MIG and TIG Filler Metal Specification

Classification	AWS A5.9, ER312
Form	MIG spools, TIG cut lengths, Reels and Coils
Type Of Welding	Inert Gas Welding
Current	MIG-DCEP / TIG-DCEN
Diameters	.023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8”
Standard TIG straight lengths are available	36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
AWS ER312 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

What is AWS Class ER312 MIG and TIG Filler Metal ?

AWS Class ER312 MIG and TIG filler welding wires and rods are intended to use in welding dissimilar metals: e.g. austenitic stainless steel to carbon or low-alloy steel, etc. They have a typical chemical composition of C 0.08-0.15, Cr 24-26, Ni 12-14, Mn 1-2, and Si less than 0.75 with a balance of Fe which provide excellent corrosion and heat resistance. Mechanical characteristics include tensile strength of 520-580 Mpa, and yield strength of 205-350 Mpa with an elongation of 30-40 which gives it strong and durable welds. ER312 filler metals are stable arc performance, easy to weld, and crack free joints to be used in MIG and TIG welding.

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AWS Class ER312 MIG and TIG Metal Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu
0.15	28.0-30.0	20.0-22.0	0.75	1.0-2.5	0.30-0.65	0.03	0.03	0.75

AWS Class ER312 MIG and TIG Filler Metal Mechanical Properties

Yield, kpsi:	78
Tensile Strength, kpsi:	109
Elongation%, min:	45

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Leading Industrial Supplier of AWS Class ER312 MIG and TIG Filler Metal 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 AWS Class ER312 MIG and TIG Filler Metal, 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 AWS Class ER312 MIG and TIG Filler Metal Rod and Wire

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AWS Class ER312 MIG and TIG Filler Metal Uses

AWS Class ER312 MIG and TIG Filler welding wires and rods are commonly used on dissimilar metals, in particular austenitic stainless steel to either carbon or low-alloy steel in both corrosion resistance and high-temperature strength applications. They are usually used in chemical processing, petrochemical, power generation and heavy fabrication industries. Common applications are pressure vessels, heat exchangers, boilers, piping systems and structural members subjected to high temperature or corrosiveness. ER312 filler metals have a smoothen arc stability, high weldability as well as durable and crack resistant joints which are applicable in manual and automated MIG and TIG welding.

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.