AWS Class E2209-16 Coated Electrodes

AWS Class ER2209-16 Coated Electrodes weld duplex stainless steels in acidic and chloride-containing environments, as per AWS A5.4 and ASME SFA A5.4. The weld metal contains about 22% chromium, 9% nickel and 3% molybdenum. Chromium builds the protective surface film, molybdenum lifts pitting resistance, and nickel keeps the austenite and ferrite phases in proportion. That mix gives high strength and good impact toughness, cuts the risk of intergranular corrosion and sustains performance under harsh service conditions. Projects that also run ER2209 filler wire or ER2209 welding wire for TIG and MIG passes keep one duplex chemistry across the joint. The 2209 chemistry closely matches 2205 base metal, which keeps corrosion behaviour in the weld zone close to that of the plate. Metracore Alloys Private Limited supplies and stocks these electrodes in multiple diameters and lengths for industrial use.

Chemical tanks, pressure vessels and heat exchangers under high stress and temperature account for the core demand for AWS Class ER2209-16 Coated Electrodes. Marine structures, offshore platforms and desalination plants follow, because seawater and brine make corrosion resistance a design requirement. Duplex grades also carry a strength advantage, since 2205 offers over twice the yield strength of 316L and allows thinner walls on tanks and vessels. Hot brine can crack welds in standard 304 and 316 austenitic stainless through chloride stress corrosion, a failure mode that duplex weld metal resists. Pulp and paper mills, food processing units and oil and gas refineries also specify these electrodes, since their substrates swing between oxidizing and reducing conditions. Welders who need precise heat control on thin walls choose ER2209 TIG wire, while crews filling long seams on thick plate choose ER2209 MIG wire.

SFA A5.4 E2209-16 COATED ELECTRODE, AWS/ASME 5.4 E2209-16 COATED ELECTRODES, DUPLEX STAINLESS STEEL E2209-16 COATED ELECTRODES, AWS A5.9 ER2209

The SFA A5.4 ER2209-16 coated electrode holds a stable arc and deposits weld metal with high tensile and yield strength and strong crack resistance. Slag lifts off easily, and the clean bead appearance cuts finishing time after welding. AWS Class ER2209-16 Coated Electrodes meet the applicable welding codes and join duplex grades such as UNS S31803 and S32205. Welders run them in flat and positional work, which covers shop manufacturing and field installation. Duplex welding requires controlled heat input because the deposit needs a balanced ferrite and austenite structure to reach its rated mechanical and corrosion properties. Procurement teams that compare these electrodes with wire to AWS A5.9 ER2209, including Coreweld 2209, work from the same 22Cr 9Ni 3Mo duplex chemistry.

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AWS CLASS E2209-16 COATED WELDING ROD, ER2209 FILLER WIRE, ER2209 WELDING WIRE SUPPLIER

As a Duplex E2209-16 Coated Electrodes Supplier, we ensure that all products we supply are up to the required certifications and industry standards. All electrodes are packaged in strong boxes or sealed cartons to keep them secure from moisture and mechanical damage when stored or shipped. Each batch is labelled with clear identification, such as heat numbers, size, and lot number, to ensure full traceability. This makes sure that our clients get consistent quality and trusted materials for their crucial projects.

Why Choose ER2209 Welding Wire

ER2209 welding wire joins duplex stainless steel and keeps strength, corrosion resistance and weld integrity in balance. Its deposit resists pitting, crevice corrosion, and stress corrosion cracking, particularly significant in chloride-containing service. It suits duplex grades such as 2205 and produces sound welds when the procedure matches the base metal. Heat input and interpass temperature control the ferrite and austenite balance, so qualify the procedure before production welding. Chemical processing, oil and gas, marine, petrochemical and offshore plants all weld with it. Specify AWS A5.9 ER2209, then settle three points before ordering: wire diameter, welding process and procedure limits. ER2209 MIG wire raises productivity on production lines, while ER2209 TIG wire is suitable for root runs and critical joints. We supply ER2209 filler wire for both processes, and buyers who specify Coreweld 2209 can send their requirements for a matching quote.

Click Here To Download ER2209 Data Sheet

AWS Class E2209-16 Coated Electrodes Specification

Types of AWS Class E2209-16 Coated Electrodes

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Technical Details of AWS Class E2209-16 Coated Electrodes

Trade Names of AWS Class E2209-16 Coated Welding Electrodes

Class	UNS	Oxford Alloys	BOHLER	SANDVIK
E2209-16	W39209	Alloy 2209-16	BOHLER AVESTA 2205-PW AC-DC (E2209-17)	EXATON 22.9.3.LR (2209-17)

Chemical Composition of AWS Class E2209-16 Coated Electrodes

C	Mn	Si	Cr	Ni	Mo	S	P	Cu	N
0.04	0.5-	1.0	21.5-	8.5-	2.5-	0.03	0.04	0.75	0.08-
max	2.0	max	23.5	10.5	3.5	max	max	max	0.20

AWS Class E2209-16 Coated Electrodes Parameters

Diameter		Process	Volt	Amps (flat)	Amps (V/OH)
in	(mm)	Process	Volt	Amps (flat)	Amps (V/OH)
3/32	(2.4)	SMAW	24-28	70-85	65-75
1/8	(3.2)	SMAW	26-30	85-110	80-90
5/32	(4.0)	SMAW	28-32	110-140	100-120
3/16	(4.8)	SMAW	28-32	120-160	110-130

ER2209 Filler Wire Application

FAQs

What is AWS Class ER2209 Welding Wire?

AWS Class ER2209 Welding Wire is a duplex stainless filler metal under AWS A5.9, containing about 22% chromium, 9% nickel and 3% molybdenum, that joins 2205 duplex grades.

What is the difference between ER2209 MIG Wire and TIG Filler Rod?

MIG wire feeds continuously from a spool for higher deposition rates. TIG rod arrives in cut lengths that welders feed by hand for tighter control on root passes.

What sizes and diameters are available for ER2209 Welding Wire?

TIG rods come in 1.6, 2.0, 2.4 and 3.2 mm; MIG spools run 0.8 to 1.6 mm. Share your diameter with Metracore Alloys to confirm stock.

Does Metracore Alloys supply ER2209 Welding Wire in different sizes and specifications?

Metracore Alloys supplies ER2209 welding wire to AWS A5.9 in MIG and TIG forms and in multiple diameters. Send your specification and quantity for a quote.

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