AWS Class ER2594 Coated Electrodes

AWS Class ER2594 coated electrodes are super duplex stainless steel welding rods, made to join alloys that are alike or comparable. These electrodes have remarkable corrosion resistance with high strength. They have a chemistry that balances the ferrite and austenite phases with 25% chromium, 9.5% nickel, 3.8% molybdenum, and controlled nitrogen. Mechanical values meet strict standards with a tensile strength of 760 MPa minimum and elongation of 15% or higher. Metracore Alloys Private Limited supplies these electrodes to meet demanding industry needs.

UNS W39594 COATED ELECTRODE, SUPER DUPLEX STEEL E2594-16 WELDING ELECTRODE, ER2594 FILLER WIRE, ER2594 WELDING WIRE

AWS Class ER2594-16 Coated Electrodes from the Coreweld 2594 range are available in standard sizes from 2.0 mm to 5.0 mm. Their properties match alloys such as 2507, Zeron 100 and ASTM A890 cast grades. Each electrode carries 2 to 3% more nickel than the base metal, which sets the correct ferrite-to-austenite ratio in the weld. Recommended heat input runs from 1 to 2 kJ/in. Staying inside that range protects the phase balance and corrosion resistance of the joint. The deposit also delivers high tensile and yield strength while resisting stress corrosion cracking and pitting. Fabricators who weld thinner sections can pair these electrodes with ER2594 TIG wire and ER2594 MIG wire from the same alloy family. Weld metal remains stable in aggressive service, making these coated electrodes a reliable choice for critical structures.

Pressure vessels, pumps and valves require AWS Class ER2594-16 plated electrodes, where durability and corrosion resistance determine service life. Welders also join duplex steels such as Zeron 100 and 2507 with them. ER2594 welding wire covers the same base metals when a bare wire process suits the joint better.

Precision controls manufacturing. Wire drawing is the first step, and it forms the stainless steel wire into specific sizes. Flux preparation is the next step, with powders precisely incorporated to control slag and arc stability. Pressing against a uniform density of flux gives consistency in the application of flux and in slag formation. Then a uniform layer of coating is applied around the wire for a steady burn-off and protection while welding. Surveillance at each stage ensures that Coreweld 2594 electrodes fulfil the strength and corrosion resistance requirements of severe environments.

ASME SFA 5.4 Class ER2594 Coated Welding Rod, AWS 5.4 Class ER2594 Coated Electrode, AWS Class ER2594 Coated Electrode Suppliers, ENiCrFe-2 Coated Welding Electrodes

We supply AWS Class ER2594-16 coated electrodes with quality assurance checks that confirm compliance with industry standards for performance and safety. Our range also includes ER2594 filler wire. Sealed boxes, vacuum-packed cartons and moisture-resistant containers protect the product during storage and transport. Moisture weakens flux coatings and arc stability, so dry packaging matters. Careful handling means the electrodes are prepared for use in demanding welding applications.

Contact us for a quote on your required diameter and quantity.

Why Choose ER2594 Filler Wire

ER2594 filler wire welds super duplex stainless steels and delivers high strength alongside resistance to pitting, crevice corrosion and stress corrosion cracking. High chromium, molybdenum, and nitrogen content drives that resistance. Those elements sustain weld performance in chloride-rich and aggressive environments. Specifiers choose it because the weld metal matches 2507 and Zeron 100 base metal, so the joint does not become the weak point of the structure.

The Coreweld 2594 range covers ER2594 TIG wire and ER2594 MIG wire for UNS S32750 and UNS S32760 base metals, where the application and welding procedure support match. Oil and gas, offshore, marine, petrochemical and chemical processing projects use ER2594 welding wire where chloride exposure threatens standard stainless grades.

Wire diameter, welding process and parameters each shape the final weld. Match the diameter to joint thickness, choose TIG or MIG to suit the position and access, and keep heat input and interpass temperature within the qualified procedure. Correct selection preserves weld quality and corrosion resistance.

AWS Class ER2594 Coated Electrodes Specification

Classification

Classification

AWS A5.4, ER2594

Types

Form

Welding Electrode,
Welding Rods

Type Of Current

Type Of Current

Direct Current Electrode Positive (DCEP)

Diameter

Diameters

3/32”, 1/8”, 5/32”, 3/16” or 2.5mm, Ø 3.2mm, Ø 4.0mm, Ø 5.0mm

Size

Size

2.0mm ∞ 5.0mm

AC/DC+

AC/DC+

50-80, 80-110, 100-135, 140-180

Welding Position

Welding Positions

All positions 5/32” & 3/16” recommended for use in flat & horizontal positions only (F, V, OH, H)

Ready Stock

Ready Stock

Light Coated Electrodes,
Heavy Coated Electrodes,
Shielded Arc Electrodes

Types of AWS Class ER2594 Coated Electrodes

Duplex Steel Light Coated Electrodes

AWS Class ER2594 Light Coated Electrodes

Duplex Steel Heavy Coated Electrodes

AWS Class ER2594 Heavy Coated Electrodes

Duplex Steel Shielded Arc Electrodes

AWS Class ER2594 Shielded Arc Electrodes

Reach out to Metracore Alloys Private Limited for reliable AWS Class ER2594 Coated Electrodes solutions

Technical Details of AWS Class ER2594 Filler Wire

Trade Names of AWS Class ER2594 Coated Welding Electrodes

Class UNS Oxford Alloys BOHLER SANDVIK
ER2594 W39209 Alloy 2594-16 BOHLER AVESTA 2507/P100 EXATON 25.10.4.LB (2594-15)
Carbon (C) Chromium (Cr) Copper (Cu) Manganese (Mn) Molybdenum (Mo) Nickel (Ni) Nitrogen (N) Phosphorous (P) Silicon (Si) Sulfur (S)
0.03 25.0 0.75 max 1.00 3.80 9.50 0.25 0.04 max 0.62 0.03 max

Diameter

Length

Amperage

Flat

Vertical & Overhead

3/32”

12”

70-85

65-75

1/8”

14”

85-110

80-90

5/32”

14”

110-140

100-120

3/16”

14”

120-160

110-130

Manufacturing Process of AWS Class ER2594 Welding Wire

Coated Electrode Manufacturing

AWS Class ER2594 Coated Electrodes Application

FAQs

What is AWS Class ER2594 Filler Wire?
ER2594 is a super duplex stainless steel filler wire with about 25% chromium, 9% nickel and 4% molybdenum plus added nitrogen, used to weld 2507 and Zeron 100 base metals.
UNS S32750 (2507) and UNS S32760 (Zeron 100) lead the list, along with matching ASTM A890 cast grades, provided the welding procedure qualification supports the intended application and service conditions.
AWS A5.9 covers bare stainless steel wire, including ER2594, and ASME SFA 5.9 adopts it for code work. Coated ER2594-16 electrodes adhere to AWS A5.4, which regulates covered stainless steel electrodes.
Our coated electrodes range from 2.0 mm to 5.0 mm. For ER2594 MIG and TIG welding wire, send your joint thickness and process details so we can confirm the diameter.
Yes. Metracore Alloys supplies ER2594 filler wire and coated electrodes in different diameters, with specifications matched to your order. Request a quotation listing your welding process, diameter and certification needs.

Exporter, Manufacturer & Supplier of AWS Class ER2594 Coated Electrodes in various material and sizes.

Scroll to Top