AWS Class ER90S-B9 MIG and TIG Filler Metal

Conrad Welding Supplies, located in Houston, USA, has built a solid reputation as a reliable manufacturer and supplier of top-notch welding consumables, including the AWS Class ER90S-B9 MIG and TIG filler metals. With a strong commitment to quality and ensuring customer satisfaction, they provide dependable solutions for industrial welding needs across a variety of sectors. Renowned for their technical know-how and reliable supply chain, they cater to fabricators, maintenance teams, and construction professionals alike. Their ER90S-B9 filler metals adhere to strict industry standards, making them a go-to choice for high-temperature, high-pressure welding tasks in power plants, refineries, and petrochemical facilities.

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What is AWS Class ER90S-B9 MIG and TIG Filler Metal ?

The AWS Class ER90S-B9 MIG and TIG filler metals are crafted from low-alloy, chromium-molybdenum steels, typically containing 9% Cr, 1% Mo, along with trace amounts of vanadium and niobium. These materials boast impressive creep resistance, oxidation resistance, and mechanical stability even at elevated temperatures. Generally, they exhibit mechanical properties like a tensile strength of about 90,000 psi (620 MPa), along with good toughness and robust weld integrity. Designed to align with the properties of Grade 91 base materials, these filler metals are perfect for critical service environments that demand high strength and durability under heat stress.

AWS Class ER90S-B9 MIG and TIG Filler Metal Specifications

Classification	AWS A5.28, ER90S-B9
Form	MIG spools, TIG cut lengths, Reels and Coils
Type Of Welding	Inert Gas Welding
Standard TIG straight lengths are available	36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
AWS A5.28, ER90S-B9 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

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We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Top AWS Class ER90S-B9 MIG and TIG Filler Metal in Houston , USA

Conrad Welding Supplies is a leading manufacturer and distributor of MIG & TIG welding filler metal rods and wires, including AWS Class ER90S-B9, based in Houston , USA. Our high-performance welding solutions are made from premium materials to ensure exceptional strength, weldability, and durability. The ER90S-B9 filler metal is ideal for critical applications in industries such as power plants, pressure vessels, and structural welding. With a commitment to timely delivery and outstanding customer service, Conrad Welding Supplies provides top-quality materials that guarantee superior performance and reliability in high-temperature environments.

AWS Class ER90S-B9 MIG and TIG Filler Metal Chemical Composition

C	Mn	Si	S	Ni	Cr	Mo	V	Al	Cu	Nb	N
.09	.59	.20	.002	.63	8.93	.87	.21	.006	.05	.07	.045

AWS Class ER90S-B9 MIG and TIG Filler Metal Mechanical Properties

TENSILE STRENGTH	112,600 PSI
YIELD STRENGTH	100,700 PSI
ELONGATION IN 2”	17.2 %
CHARPY IMPACT **	40 ft. lbs.

Modern Equipments

Well Maintained

Expert Engineers

Efficient Factories

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Types of AWS Class ER90S-B9 MIG and TIG Filler Metal

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AWS Class ER90S-B9 MIG and TIG Filler Metal Uses

Primarily, AWS Class ER90S-B9 MIG and TIG filler metals are utilized for welding materials such as ASTM A387 Grade 91 and other chromium-molybdenum steels. They find extensive use in high-temperature, high-pressure systems, including power generation boilers, heat exchangers, pressure vessels, and piping in thermal power plants and petrochemical industries. These filler metals excel in resisting thermal fatigue and stress corrosion cracking, making them well-suited for service environments exceeding 600°F (315°C). Their consistent performance and reliability are crucial for the construction and repair of components that endure long-term thermal and mechanical stress.

Industry We Serve

We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.