AWS Class E309LT1-1/T1-4 Flux Core

Conrad Welding Supplies, a reputable manufacturer and supplier located in Houston, USA, proudly offers the high-performance AWS Class E309LT1-1/T1-4 Flux Core Wire. This wire is specifically designed for welding stainless steel to carbon steel and other dissimilar metals. It’s well-regarded for its smooth arc transfer, minimal spatter, and outstanding slag removal, ensuring consistent results whether you’re working on flat surfaces or in various positions. Conra’s E309LT1-1/T1-4 wire is perfect for structural and fabrication projects that demand exceptional corrosion resistance and mechanical strength. With strict quality standards and a nationwide distribution network, Conrad Welding Supplies delivers reliable welding solutions for a wide range of industrial applications.

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AWS Class E309LT1-1/T1-4 Flux Core Specification

Classification	AWS A5.22, E309LT1-1/T1-4
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 E309LT1-1/T1-4 Flux Core Wire Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

What is AWS Class E309LT1-1/T1-4 Flux Core?

The AWS Class E309LT1-1/T1-4 Flux Core Wire contains about 23% chromium and 13% nickel, along with low carbon content, which boosts its resistance to intergranular corrosion and minimizes the risk of carbide precipitation. This wire is known for its excellent weldability, producing stable austenitic-ferritic weld deposits that are highly resistant to cracking. Its mechanical properties include a tensile strength of around 570 MPa, a yield strength close to 400 MPa, and good ductility. Designed for use with CO₂ or Ar/CO₂ shielding gas, it guarantees smooth arc operation, reduced spatter, and high deposition efficiency, making it ideal for creating high-quality joints between stainless and carbon steel.

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Electrodes and Filler Wire

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AWS Class E309LT1-1/T1-4 Flux Core Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu
0.04	22.0-25.0	12.0-14.0	0.75	0.5-2.5	1.0	0.04	0.03	0.75

AWS Class E309LT1-1/T1-4 Flux Core Equivalent

Class	UNS	Oxford Alloys	BOHLER	UTP
E309LT1-1/T1-4	W30835	Alloy 309LT1-1/4	BOHLER E309LH PW FD	UTP AF 6824 LCPW

AWS Class E309LT1-1/T1-4 Flux Core Mechanical Properties

Tensile Strength, kpsi:	75 min
Yield Strength, kpsi:	*NS
Elongation %:	30 min

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Top Manufacturer and Supplier of AWS Class E309LT1-1/T1-4 Flux Core in Houston , USA

Conrad Welding Supplies is a prominent manufacturer and supplier of top-tier AWS Class E309LT1-1/T1-4 Flux Core 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 E309LT1-1/T1-4 Flux Core Uses

The AWS Class E309LT1-1/T1-4 Flux Core Wire is commonly utilized in the fabrication and repair of equipment that requires joining stainless steel to carbon steel or low-alloy steels. Typical applications include pressure vessels, heat exchangers, furnace components, storage tanks, and structural welding in industries such as chemical, petrochemical, pulp and paper, and food processing. It’s also used as a buffer layer before applying higher alloy welds. Thanks to its corrosion resistance, low carbon formulation, and versatility in various positions, this wire is perfect for both field and shop welding projects where strong, dependable joints are crucial.

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.