AWS Class E309LT0-1/T0-4 Flux Core Wire

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The E309LT0‑1/T0‑4 flux-cored welding wire is produced according to the American Welding Society (AWS) A5.22 specification. It’s specifically designed for gas-shielded flux-cored arc welding (FCAW-G) of austenitic stainless steels and joints involving dissimilar metals. With a composition that’s perfect for chromium-nickel stainless and transitions between stainless and carbon/low-alloy steels, this wire ensures excellent arc stability, easy slag removal, and strong weld deposits. It’s an ideal choice for tough fabrication or repair jobs, providing a cost-effective solution for corrosion-resistant and dissimilar material welding.

AWS Class E309LT0-1/T0-4 Flux Core Wire Specifications

Classification	AWS A5.22, E309LT0-1/T0-4
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 E309LT0-1/T0-4 Flux Core Wire Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class E309LT0-1/T0-4 Flux Core Wire 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 E309LT0-1/T0-4 Flux Core Wire Mechanical Properties

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

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Top AWS Class E309LT0-1/T0-4 Flux Core Wire Manufacturing Company in Naypyidaw

The all-weld-metal chemistry generally features carbon at ≤ 0.04%, chromium between 22.0-25.0%, nickel at 12.0-14.0%, manganese from 0.5-2.5%, silicon at ≤ 1.0%, and molybdenum up to about 0.75% in some variants. ([merihstainless.com][1]) In terms of mechanical properties, these deposits achieve tensile strength values of at least ~550 MPa (approximately 80 ksi) and an elongation of at least ~30%. ([merihstainless.com][1])

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Types of AWS Class E309LT0-1/T0-4 Flux Core Wire

E309LT0-1/T0-4 Dual Shield Flux Cored Wire

Available in sizes from 0.8mm to 1.6mm, offers excellent corrosion resistance. Ideal for welding dissimilar metals with enhanced arc stability and performance.

E309LT0-1/T0-4 Self-Shielded Flux Cored Wire

Ranging from 0.8mm to 1.6mm, provides reliable corrosion resistance. Perfect for welding dissimilar metals without the need for additional shielding gases.

E309LT0-1/T0-4 Flux Cored Arc Welding Wire

Available in sizes from 0.8mm to 1.6mm, ensures superior corrosion resistance. Suitable for welding dissimilar metals with consistent performance and high deposition rates.

Largest AWS Class E309LT0-1/T0-4 Flux Core Wire Supplier in Naypyidaw, Myanmar

The E309LT0‑1/T0‑4 wire is commonly used for welding austenitic stainless steels (like Type 309/309L) and for connecting stainless steels to carbon or low-alloy steels, particularly where dilution tolerance and corrosion resistance are essential. Typical applications include cladding (buttering) of carbon steels, overlays, dissimilar metal welds, and fabrication and repair in chemical/petrochemical plants, power-generation equipment, shipbuilding, and heavy fabrication settings. ([gasandsupply.com][2])

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AWS Class E309LT0-1/T0-4 Flux Core Wire Uses

Kyaw Stainless provides AWS Class E309LT0-1/T0-4 flux core wire with certified test reports confirming chemical composition and mechanical properties according to international standards. The wire is packaged in sealed, moisture-proof spools to avoid contamination and maintain longevity. Coming in different diameters and spool sizes, it is properly packed for safe handling and transportation. Kyaw Stainless provides timely domestic and overseas delivery with complete traceability, adhering to strict quality control standards to ensure reliability, consistency, and high-performance welding solutions.