AWS Class E309/309L-16 Electrodes Manufacturer in Bangkok, Thailand

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Chanchai Stainless, based in Bangkok, Thailand, manufactures AWS Class E309/309L‑16 Electrodes, designed for joining and overlaying stainless steels in corrosive and high-temperature settings. Available in both standard (309) and low-carbon (309L) forms, these electrodes maintain weld integrity while lowering the risks of carbide precipitation. Chanchai’s production ensures consistent quality, making them suitable for industries like chemical processing, marine applications, and thermal engineering.

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These electrodes contain 22–25% chromium, 12–15% nickel, and reduced carbon in the 309L variant to minimize intergranular corrosion. The weld strength ranges from 520 to 620 MPa, with good ductility at both normal and elevated temperatures. The composition offers strong resistance to oxidation and durability under thermal stress, and low-carbon versions keep their corrosion resistance after welding in chloride environments.

AWS Class E309/309L-16 Electrodes Specifications

Classification	AWS A5.4, E309/309L-16
Form	Welding Electrode, Welding Rods
Type Of Current	AC-DCEP (Direct Current Electrode Positive)
Welding Position	F, V, OH, H
Size	2.0 mm, 2.50 mm, 3.15 mm, 4.00 mm, 5.0 mm
AC/DC+	AC or DC (+)
JIS Specification	BS 2926 19.9 A R
Other Specification	DIN 8556 E19 9 R 23 A
AWS E309/309L-16 Coated Electrodes Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

AWS Class E309/309L-16 Electrodes 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	1.00	0.04	0.03	0.75

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

Why Choose AWS Class E309/309L-16 Electrodes From Chanchai Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class E309/309L-16 Electrodes

Stainless Steel AWS Class E309/309L-16 Light Coated Electrodes

These electrodes offer good resistance to oxidation and corrosion in moderate environments. Typically available in sizes ranging from 1/16″ to 1/8″ in diameter, they are ideal for applications requiring light coatings and smooth welding.

Stainless Steel AWS Class E309/309L-16 Heavy Coated Electrodes

Designed for enhanced corrosion resistance and durability, these electrodes are available in diameters from 3/32″ to 5/32″. The heavy coating ensures a robust weld in demanding conditions, providing stronger welds with superior mechanical properties.

Stainless Steel AWS Class E309/309L-16 Shielded Arc Electrodes

Offering excellent corrosion resistance, these electrodes are used in shielded metal arc welding applications. They are available in diameters such as 1/16″, 3/32″, and 1/8″, providing versatile options for various welding needs.

We take great care in securely packing and shipping our AWS Class E309/309L-16 Electrodes, using wooden boxes with waterproof material and lifting points for easy transport. Along with each order, we provide essential documents, including a commercial invoice, packing list, heat treatment chart and material testing certificates. Our comprehensive documentation ensures full transparency and guarantees client satisfaction.

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AWS Class E309/309L-16 Electrodes Uses

E309/309L‑16 electrodes are ideal for welding different types of steel, overlaying carbon steel with stainless alloy, and repairing stainless structures exposed to caustic or heated environments. Applications include overlays for chemical tanks, marine exhaust parts, flue gas ducting, and reformer tubes. The 309L variant is preferred for applications at risk of sensitization or needing high corrosion resistance after welding.