ThePipingMart Blog Welding Electrodes AWS Class E308LT1-1/T1-4 Flux Core – Composition, Properties, and Uses

AWS Class E308LT1-1/T1-4 Flux Core – Composition, Properties, and Uses

AWS Class E308LT1-1/T1-4 Flux Core

Welding requires specific materials to ensure metals’ successful and safe joining. AWS Class E308LT1-1/T1-4 Flux Core is a unique welding wire welder used to join stainless steel metals. It is commonly used in various industrial processes, from manufacturing to construction. This blog post aims to explain what AWS Class E308LT1-1/T1-4 Flux Core is, its composition, physical and mechanical properties, uses heat treatment, and corrosion resistance.

What is AWS Class E308LT1-1/T1-4 Flux Core?

AWS Class E308LT1-1/T1-4 Flux Core is an all-position, flux-cored electrode designed for welding stainless steel in chemical storage tanks and food processing equipment applications. These electrodes offer excellent arc stability, high ductility, low fuming characteristics, and good weldability. It can weld various joint types, and its deposits are easily cleaned off after welding. The electrode is capable of low-temperature impact toughness (down to -196°C), making it ideal for cryogenic applications. In addition to being used with DC reverse polarity or AC sources, the electrode also has a noticeable purging effect when used on heavy sections, which improves weld appearance and reduces post-welding clean-up time.

AWS Class E308LT1-1/T1-4 Flux Core Composition

AWS Class E308LT1-1/T1-4 Flux Core is an electrode wire combining carbon and stainless steel. The carbon steel in the wire acts as a binding element, while the stainless steel content ensures excellent durability and corrosion resistance. This unique combination enables welders to join metals that are of varying thicknesses.

C Cr Ni Mo Mn Si P S Cu
0.04 18.0-21.0 9.0-11.0 0.75 0.5-2.5 1.0 0.04 0.03 0.75

AWS Class E308LT1-1/T1-4 Flux Core Physical Properties

AWS Class E308LT1-1/T1-4 Flux Core has a diameter ranging from 0.8mm to 1.6mm. The wire comes in spools or drums of varying weight. It has an operating temperature of between 1450°C and 1560°C. AWS Class E308LT1-1/T1-4 Flux Core also has a low spatter level, which helps produce a neat and clean weld bead.

AWS Class E308LT1-1/T1-4 Flux Core  Mechanical Properties

AWS Class E308LT1-1/T1-4 Flux Core has excellent mechanical properties, making it a top choice for welding stainless steel metals. The wire has a tensile strength of 550 MPa and a yield strength of 350 MPa. It also has an elongation percentage of 35%. The wire’s flexibility enables it to resist cracking and breaking even under high pressure.

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

AWS Class E308LT1-1/T1-4 Flux Core Trade Name

Class UNS Oxford Alloys BOHLER UTP
E308LT1-1/T1-4 W30835 Alloy 308LT1-1/4 BOHLER EAS 2 PW-FD UTP AF 68LC

AWS Class E308LT1-1/T1-4 Flux Core Parameters

Diameter Process Volt Amps Shielding Gas
in (mm)
 .035  (.9) GMAW   26-27 150-165 100%CO2
 .045  (1.14) GMAW  26-28 160-200 100%CO2
 .063  (1.6) GMAW  27-28 215-250 100%CO2

AWS Class E308LT1-1/T1-4 Flux Core Uses

AWS Class E308LT1-1/T1-4 Flux Core is ideal for welding stainless steel metals of different thicknesses. The wire is commonly used in various industrial applications, such as manufacturing, automotive, food processing, and construction. It is also used to repair and maintain pipelines, chemical and petrochemical plants.

AWS Class E308LT1-1/T1-4 Flux Core Heat Treatment

AWS Class E308LT1-1/T1-4 Flux Core is designed to operate without a preheat or post-weld heat treatment. However, if high-strength properties are required, the weld zone can be heated up to 200°C for 2 hours, followed by air cooling.

AWS Class E308LT1-1/T1-4 Flux Core Corrosion Resistance

AWS Class E308LT1-1/T1-4 Flux Core has excellent corrosion resistance properties, making it ideal for welding stainless steel metals in corrosive environments. The wire is resistant to rust, oxidation, and other forms of corrosion that could affect the integrity of the joint.

Conclusion:

AWS Class E308LT1-1/T1-4 Flux Core is a unique welding wire for joining stainless steel metals. Its combination of carbon and stainless steel provides excellent weldability, ductility, and corrosion resistance. Welders choose this wire for its low spatter level, mechanical properties, and ability to join metals of varying thicknesses. AWS Class E308LT1-1/T1-4 Flux Core is ideal for various industrial applications, such as manufacturing, automotive, food processing, and construction. Its heat treatment and corrosion resistance properties make it an excellent choice for use in harsh environments.

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