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AWS Class E308LT0-1/T0-4 Flux Core – Composition, Properties, and Uses

AWS Class E308LT0-1/T0-4 Flux Core

Welding is a method of joining two metals, and it has been in use for hundreds of years. It has evolved, and now there are numerous methods, including flux core welding. AWS Class E308LT0-1/T0-4 flux core welding is a popular method used in various applications, including shipbuilding, automobile, and construction. As you read this blog post, you will discover the composition, physical, and mechanical properties of AWS Class E308LT0-1/T0-4 flux core welding, its uses, heat treatment, and corrosion resistance.

What is AWS Class E308LT0-1/T0-4 Flux Core?

AWS Class E308LT0-1/T0-4 is an ultra-low hydrogen, rutile flux cored wire. This type of welding wire is suitable for welding various stainless steel and ferritic alloys to obtain a solid weld bead with excellent mechanical properties such as impact strength, ductility, toughness and corrosion resistance. The stunning feature of this AWS class is the ultra-low hydrogen levels that need to be less than 0.2ml/100g of deposited weld metal. This makes it ideal for hardenable stainless steels or highly alloyed materials where higher alloy content results in higher deposition temperatures and requires less hydrogen in the deposited weld metal.

AWS Class E308LT0-1/T0-4 Flux Core Composition

AWS Class E308LT0-1/T0-4 Flux Core welding is a welding wire used in stainless steel. Its low carbon content makes it suitable for welding stainless steel. The wire combines elements added to the stainless steel to enhance its weldability, including chromium, nickel, and iron.

C Mn Si Cr Ni Mo P S N
0.03 1.22 .63 20.10 10.40 .20 .015 .015 .05

AWS Class E308LT0-1/T0-4 Flux Core Physical Properties

The physical properties of AWS Class E308LT0-1/T0-4 Flux Core welding include a diameter of 1.2 mm and a weight of 15 kg. The wire has a speed of 300 inches per minute and is suitable for 24 to 33 volts. It also has a flat position and is ideal for welding thick materials up to 60 inches thick.

AWS Class E308LT0-1/T0-4 Flux Core Mechanical Properties

The mechanical properties of AWS Class E308LT0-1/T0-4 Flux Core welding are impressive, with a tensile strength of 73,000 psi and yield strength of 63,000 psi. It also has excellent elongation properties with a rate of 34 per cent. AWS Class E308LT0-1/T0-4 Flux Core welding also has low spatter levels, which makes it easy to clean up after a welding job.

Tensile Strength 82,300 psi
Yield Strength 58,700 psi
Elongation (%) 38%

AWS Class E308LT0-1/T0-4 Flux Core Trade Name

Class UNS Oxford Alloys BOHLER UTP
E308LT0-1/T0-4 W30835 Alloy 308LT0-1/4 BOHLER EAS 2-FD ( E308L T0-4) UTP AF 68LC

AWS Class E308LT0-1/T0-4 Flux Core Parameters

DIAMETER AMPERAGE VOLTAGE WFS (IPM) STICK/OUT
.045” 170-200 27-29 335-440 5/8” / ¾”
1/16” 210-270 28-31 235-345 ¾” / 1”

AWS Class E308LT0-1/T0-4 Flux Core Uses

The primary use of AWS Class E308LT0-1/T0-4, Flux Core welding, is in constructing stainless steel products. It is commonly used in the shipbuilding, automobile, and construction industries. The wire is suitable for welding stainless steel with low carbon content and produces strong and durable welds.

AWS Class E308LT0-1/T0-4 Flux Core Heat Treatment

Heat treatment is essential to welding, and AWS Class E308LT0-1/T0-4 Flux Core welding is no exception. The wire has a heat input between 150 to 250 degrees Celsius, and following the manufacturer’s guidelines is essential to ensure successful welding.

AWS Class E308LT0-1/T0-4 Flux Core Corrosion Resistance

Corrosion resistance is crucial in stainless steel welding, and AWS Class E308LT0-1/T0-4 Flux Core is corrosion-resistant. This wire is an excellent choice for welding stainless steel in harsh environments, such as marine applications, where the welds are exposed to saltwater.

Conclusion

AWS Class E308LT0-1/T0-4 Flux Core welding is a popular and versatile method for welding stainless steel. Its high strength, low spatter levels, and excellent corrosion resistance make it the go-to wire for welding thick stainless steel materials. The physical and mechanical properties, heat treatment, and corrosion resistance make AWS Class E308LT0-1/T0-4 Flux Core welding suitable for various applications, including shipbuilding, automobile, and construction industries. Welding is a technical process, and following the manufacturer’s guidelines is essential to ensure successful welding and achieve the desired results.

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