AWS Class E81T1-B2 Flux Core Wire

Conra Welding Supplies, based in Houston, USA, stands out as a top-notch manufacturer and supplier of high-performance welding consumables, including the AWS Class E81T1-B2 flux-cored wire. This wire is specifically designed for critical low-alloy steel welding applications, offering impressive mechanical strength, excellent performance at elevated temperatures, and consistent weld quality. Conra’s E81T1-B2 flux-core wire is crafted for user-friendliness, high deposition rates, and outstanding arc stability. Catering to industries like power generation, petrochemical, and pressure vessel fabrication, Conra delivers reliable welding solutions that adhere to strict ASME and AWS standards, ensuring durability and dependability in high-temperature and pressure settings.

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AWS Class E81T1-B2 Flux Core Wire Specification

Classification	AWS A5.29, E81T1-B2
Form	Welding Flux Core Wire
Type Of Welding	Gas Shielded
Diameters	.045”, 1/16”
Shielding Gas	100% CO2, 75-80% Ar/ balance CO2, 35-50 cfh
Welding Positions	All positions
AWS E81T1-B2 Flux Core Wire Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

What is AWS Class E81T1-B2 Flux Core Wire?

The AWS Class E81T1-B2 flux-cored wire features 1.25% chromium and 0.5% molybdenum, which enhance its strength and creep resistance at high temperatures. It produces weld metal with a tensile strength typically between 80–90 ksi (550–620 MPa) and boasts excellent impact toughness. The flux core maintains low hydrogen content, minimizing the risk of cracking while providing smooth arc characteristics and easy slag removal. Optimized for CO₂ or mixed gas shielding, E81T1-B2 is perfect for flat and horizontal welding positions, ensuring sound, defect-free welds for critical structural applications.

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AWS Class E81T1-B2 Flux Core Wire Chemical Composition

C	Mn	Si	P	S	Cr	Mo
0.05-	1.25	0.80	0.03	0.03	1.00-	0.40-
0.12	max	max	max	max	1.50	0.65

AWS Class E81T1-B2 Flux Core Wire Mechanical Properties

As required by AWS 5.29	Tensile Strength MPa (ksi)	Yield Strength MPa (ksi)	Elongation %	PWHT (Stress Relieved)
AWS Requirements	550 – 690 (80-100)	470 (68) min	19 min	1 Hr @ 690+/-15°C (1275+/- 25°F)
Typical Results – As welded	600 (87)	530 (77)	25	1 Hr @ 690+/-15°C (1275+/- 25°F)

AWS Class E81T1-B2 Flux Core Wire Equivalent Grade

Class	UNS	Oxford Alloys
E81T1-B2	W52031	Alloy 81T1-B2

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Top Manufacturer and Supplier of AWS Class E81T1-B2 Flux Core Wire in Houston , USA

Conrad Welding Supplies is a prominent manufacturer and supplier of top-tier AWS Class E81T1-B2 Flux Core Wire in Houston , USA. We specialize in providing advanced welding solutions and offer a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux, and filler wires. Known for reliable delivery and outstanding customer service, we are committed to offering high-quality welding materials that ensure durability and optimal performance for various industrial applications. Our dedication to excellence has made us a trusted partner for all your welding needs.

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AWS Class E81T1-B2 Flux Core Wire Uses

The AWS Class E81T1-B2 flux-cored wire is commonly used for welding 1.25Cr-0.5Mo alloy steels in high-temperature and pressure environments. It’s particularly well-suited for applications like power plant boilers, heat exchangers, pressure vessels, and steam piping systems. This wire excels in creep resistance and mechanical integrity under prolonged thermal exposure, making it ideal for fabrication and repair work in the energy and petrochemical industries. With its excellent arc control and high deposition efficiency, E81T1-B2 is perfect for semi-automatic or automatic welding in both shop and field settings, where consistent, code-compliant welds are essential.

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.