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Stainless Steel Welding Wire

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

Product Details

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

Our ER309L MIG Welding Wire is a powerhouse for creating strong, corrosion-resistant overlay welds. With 23-25% chromium and 12-14% nickel, this low-carbon wire is designed for MIG welding, delivering smooth arcs, minimal spatter, and clean weld beads. It’s perfect for overlaying stainless steel onto carbon steel or joining dissimilar metals, ensuring tough, durable welds that stand up to harsh conditions. Whether you’re cladding pipes or repairing heavy equipment, our ER309L wire gets the job done with top-notch quality.

Industry Analysis

The Stainless Steel Welding Wire market is booming, driven by demand in oil and gas, power generation, and heavy manufacturing where corrosion resistance and strength are critical. Overlay welding is gaining traction for extending the life of equipment exposed to wear and corrosion, while dissimilar metal joining is key in complex assemblies. Trends show a rise in automated MIG welding for efficiency and a push for sustainable materials to meet environmental standards. Our ER309L wire is built to shine in these conditions, offering reliable performance for both manual and robotic setups.

AWS Classification Applications
ERNiCr-3 Used for welding 600, 601, and 800 alloys and dissimilar welding between stainless steel and carbon steel
ERNiCrFe-7 Suitable for welding nickel-chromium-iron alloys under ASTM B163, B166, B167, and B168 standards
ERNiCrFe-6 Designed for welding steel to nickel-chromium-iron alloys, as well as stainless steel to nickel-based alloys
ERNiCrCoMo-1 Used for welding nickel-chromium-cobalt-molybdenum alloys and various high-temperature alloys
ERNiCrMo-3 Suitable for nickel alloy, carbon steel, stainless steel, and low alloy steel welding, primarily used for 625, 601, 802 alloys, and 9% nickel alloys
ERNi-CI Used for welding commercially pure nickel, malleable cast iron, and gray cast iron
ERCuNi Suitable for welding 70/30, 80/20, and 90/10 copper-nickel alloys
ERNiCu-7 Used for welding nickel-copper alloys such as B127, B163, B164, and B165
ERNi-1 Designed for welding pure nickel castings and forgings, including those under ASTM B160, B161, B162, and B163 standards
ERNiFeMn-CI Suitable for welding nodular cast iron, ductile iron, malleable cast iron, and gray cast iron, as well as their dissimilar welding to stainless steel, carbon steel, low alloy steel, and various nickel alloys
ERNiCrMo-4 Used for welding nickel-chromium-molybdenum alloys, or for welding nickel-chromium-molybdenum alloys to steel and other nickel-based alloys
ERNiCrMo-11 uitable for self-welding nickel-chromium-molybdenum alloys, dissimilar welding with steel and other nickel alloys, and also for cladding applications
ERNiCrMo-13 Used for welding low-carbon nickel-chromium-molybdenum alloys
ENiCrMo-3 Designed for welding nickel-chromium-molybdenum alloys, including 625, 800, 801, 825, and 600
ENiCrFe-3 Used for welding nickel-chromium-iron alloys and for dissimilar welding with carbon steel
ENiCrFe-2 Suitable for welding austenitic steel, ferritic steel, and high-nickel alloys, also used for 9% nickel alloy welding
ENiCu-7 Primarily used for welding nickel-copper alloys and their dissimilar welding with steel
ENiCrFe-7 Ideal for welding 690 (UNS N06690) nickel-chromium-iron alloys
ENiCrMo-4 Designed for C-276 alloy welding and most nickel-based alloys
ENiCrCoMo-1 Suitable for welding nickel-chromium-cobalt-molybdenum alloys and various high-temperature alloys
ERCuNi Used for welding forged or cast 70/30, 80/20, and 90/10 copper-nickel alloys
ENiCrMo-13 Used for welding low-carbon nickel-chromium-molybdenum alloys
ENiCrMo-11 Used for welding low-carbon nickel-chromium-molybdenum alloys
Physical & Mechanical Properties
Welding Wire Type Density (g/cm³) Melting Point (°C) Electrical Conductivity (% IACS) Coefficient of Thermal Expansion (10⁻⁶/°C) Tensile Strength (MPa) Yield Strength (MPa) Elongation at Break (%)
Carbon Steel Welding Wire 7.85 1450 8-10 11.8 400-550 300-400 20-25
Stainless Steel Welding Wire 7.9 1350-1450 2-5 16-17 550-650 300-400 30-40
Aluminum Welding Wire 2.7 600-660 >60 23.1 150-200 75-100 >20
Nickel Alloy Welding Wire 8.4 1350-1400 1-2 13.1 600-800 400-600 30-40
Welding Rod Type Coating Electrical Resistivity (10⁻⁶ Ω·cm) Hardness (HV) Heat Resistance (°C) Tensile Strength (MPa) Yield Strength (MPa) Elongation at Break (%)
Carbon Steel Welding Rod Acid coated, alkaline coated 10-15 150-200 < 450 400-550 300-400 20-25
Stainless Steel Welding Rod Acid coated, alkaline coated 60-80 200-400 < 800 550-750 350-450 25-35
Cast Iron Welding Rod Alkaline coated 90-120 250-450 300-600 300-500 150-300 10-20
Nickel Alloy Welding Rod Alkaline coated 80-100 200-300 < 1200 700-900 450-650 20-35

For more other size details, pls directly contact us

ER309L MIG Welding Wire is a beast for tough applications. It’s ideal for overlay welding in oil and gas pipelines, pressure vessels, and power plant components, providing a corrosion-resistant layer that extends service life. It’s also perfect for joining dissimilar metals, like stainless steel to carbon steel, in marine, chemical, and heavy equipment repairs. From cladding turbine blades to fabricating mixed-metal structures, this wire delivers high-strength, corrosion-resistant welds that hold up in demanding environments.

Comparison Table

Parameter

Our ER309L MIG Wire

Competitor’s Stainless Steel Wire

Alloy Type

23-25% Cr, 12-14% Ni, low-carbon

Often less optimized alloy content

Corrosion Resistance

Superior, ideal for harsh environments

Moderate, less reliable in corrosive settings

Strength

High, perfect for overlay and dissimilar welds

Lower, less suited for heavy-duty tasks

Arc Stability

Smooth arc with minimal spatter

Inconsistent, more spatter

Feedability

Excellent, optimized for automated systems

Prone to jamming or inconsistent feeding

Weld Appearance

Clean, professional-grade beads

Uneven, may require rework

Applications

Overlay, dissimilar metal welding, oil & gas

Limited to less demanding tasks

Welding Compatibility

Works with standard MIG welders

May need specialized equipment

Why Choose Our ER309L MIG Welding Wire?

Our ER309L MIG Welding Wire is engineered to deliver rock-solid, corrosion-resistant overlay welds. Its high chromium-nickel blend ensures tough welds that thrive in brutal environments like oil rigs or chemical plants. Unlike other wires, ours offers buttery-smooth arcs and flawless feedability, making it a breeze for both manual and robotic welding. We put every spool through rigorous quality checks to guarantee consistent performance, so you can trust it for mission-critical jobs. Whether you’re cladding a pipeline or joining dissimilar metals, our ER309L wire gives you the strength and reliability to nail it every time.

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay WeldsER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay WeldsER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

About Us:

Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.

For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

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ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

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ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

ER309L MIG Welding Wire for Strong, Corrosion-Resistant Overlay Welds

FAQs:

  1. What is ER309L MIG Welding Wire used for?
    It’s used for overlay welding and joining dissimilar metals in oil and gas, power, and marine applications.

  2. Which industries rely on ER309L wire?
    Oil and gas, power generation, chemical, and heavy manufacturing industries use it for durable welds.

  3. Is ER309L suitable for overlay welding?
    Yes, its high chromium-nickel content ensures strong, corrosion-resistant overlay layers.

  4. Can ER309L join stainless steel to carbon steel?
    Absolutely, it’s designed for dissimilar metal welding with excellent results.

  5. How does ER309L perform in automated welding systems?
    It’s optimized for robotic MIG welding with smooth feedability and stable arcs.

  6. Is ER309L compatible with standard MIG welders?
    Yep, it works seamlessly with most MIG welding setups.

  7. What’s the advantage of ER309L for overlay welds?
    It offers high strength, corrosion resistance, and clean welds for tough conditions.

  8. How does ER309L handle corrosive environments?
    It provides excellent corrosion resistance, ideal for harsh chemical or marine settings.


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