Product Datasheet of AWS Class E2209 Duplex Stainless Steel Welding Electrodes

Product Overview:

E2209 is a duplex stainless steel electrode specifically designed for welding duplex stainless steels, such as UNS S31803 and S32205. It combines high tensile strength and resistance to stress corrosion cracking, making it suitable for demanding applications.

Specifications :

• AWS/ASME Classification: AWS A5.4 / ASME SFA 5.4: E2209-17 / E2209-15 / E2209-16
• EN/ISO - 3581-A, E 22 9 3 N L R / 3581-A, E 22 9 3 N L B 2 2 / 3581-A, E 22 9 3 N L R
• Diameter Range: 2.5 mm, 3.2 mm, 4.0 mm
• Current Type: AC or DC (+)
• Polarity: DC Electrode Positive (DCEP) or AC

Chemical Composition (%):

Element	Composition (%)
Carbon (C)	≤ 0.04
Manganese (Mn)	0.5-2.0
Silicon (Si)	≤ 1.0
Chromium (Cr)	22.0-23.5
Nickel (Ni)	8.0-9.5
Molybdenum (Mo)	2.5-3.5
Nitrogen (N)	0.10-0.20
Phosphorus (P)	≤ 0.03
Sulfur (S)	≤ 0.02

Mechanical Properties

Property	Typical Value
Tensile Strength	≥ 750 MPa
Yield Strength	≥ 550 MPa
Elongation	≥ 25%
Impact Strength (Charpy V)	≥ 50 J @ -40°C

Applications :

• Welding of duplex stainless steels like UNS S31803 and S32205.

• Suitable for environments requiring high strength and corrosion resistance.

• Commonly used in the oil and gas industry, chemical and petrochemical processing, and desalination plants.

Storage and Handling

• Store in a dry, ventilated area.
• Avoid direct exposure to moisture.
• If electrodes become damp, re-dry at 300°C for 1-2 hours.

Manufacturers/Brands and their Product/Trade Name:

Brand	Product Name
ESAB / Exaton	Exaton 2209 / Exaton 22.9.3.LB
BOHLER	Avesta 2205 / Avesta 2205 Basic/ Avesta 2205-PW AC/DC
Lincoln	Excalibur® 2209-16
Selectarc	SELECTARC INOX 2209 / INOX 2209B
WB Alloys	WB4545E (2209-17) / WB4545E-15 (2209-15)
Daiko	G-TECH 2209B/ 2209 /G-TECH 2209R

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