Welding wire and rod

Alloy filler wires and electrodes for strong, corrosion-resistant welds matched to industrial base metals.

Welding wire and rod manufacturer

Welding wire and electrode are the core filling materials in the welding process and are widely used to fill metal gaps and achieve high-quality connections. The welding materials provided by Jiangsu DZX Technology Co., Ltd. are designed with a variety of high-quality alloy formulas to ensure that the welds have excellent strength, corrosion resistance, and perfectly match the base metal in various industrial applications. Commonly used grades (AWS standard / refer to Russian standard): ERNiCrMo-3 (corresponding to domestic: Cr20Ni65Mo9V, Russian standard: Св-ХН65МВУ), ERNiCrMo-4 (corresponding to domestic: Cr15Ni65Mo16W, Russian standard: Св-ХН65МВУ), ERNiCrFe-3 (Reference Russian standard: Св-ХН35ВТ), ERNiCrFe-7 (Reference Russian standard: Св-ХН35ВТЮ), ERCuNi (Reference Russian standard: Св-МНЖМц 28-2.5-1.5), ERNi-1 (Pure nickel welding wire, Russian standard: Св-НП-2)

DZX METAL PRODUCT CATEGORY

Welding wire and rod

Welding wire and rod are essential filler materials used in welding processes to fill gaps and bond metal components. DLX Alloy provides high-purity alloy compositions that offer optimal strength, corrosion resistance, and total compatibility with different base materials for critical industrial applications.

✓ MTR (Material Test Report) Provided
✓ 500T Monthly Capacity
✓ Stock Available for Immediate Global Shipping

Available Grades and Products

  • Strip / Coil

    Wire

    Common Diameter: 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm, 2.4mm, 3.2mm
    Thin Diameter : 0.2mm-0.8mm (for precision welding)
    Length: Available in coiled wire and straight wire, the length of coiled wire depends on the wire diameter and weight (e.g. 5kg, 15kg and 25kg per spool)
  • Bar / Rod

    Rod

    Common Diameter: 2.0mm, 2.5mm, 3.2mm, 4.0mm, 5.0mm
    Common Length: 300mm, 350mm, 400mm

Chemical Composition

TypeChemical CompositionProperties
Nickel Alloy Welding WireNickel (Ni) Chromium (Cr) Molybdenum (Mo) Iron (Fe) Cobalt (Co) High resistance to oxidation and corrosion, ideal for extreme chemical and high-temperature applications
Nickel Alloy Welding RodNickel (Ni) Chromium (Cr) Molybdenum (Mo) Cobalt (Co) Tungsten (W) Specifically designed for high-temperature corrosion resistance and high-strength structural welding
Carbon Steel Welding WireCarbon (C) Manganese (Mn) Silicon (Si) High strength, suitable for low-carbon and medium-carbon steel welding
Carbon Steel Welding RodCarbon (C) Manganese (Mn) Silicon (Si) Iron (Fe) Strong operability, ideal for welding general carbon steel structures
Stainless Steel Welding WireChromium (Cr) Nickel (Ni) Molybdenum (Mo) Nitrogen (N) Excellent corrosion resistance, suitable for high-temperature and high-humidity environments
Stainless Steel Welding RodChromium (Cr) Nickel (Ni) Molybdenum (Mo) Nitrogen (N) Matches well with the base metal, offering high corrosion and heat resistance in weld seams
Cast Iron Welding RodNickel (Ni) Iron (Fe) Manganese (Mn) Copper (Cu) Suitable for repairing cast iron parts, preventing crack formation
Aluminum Welding WireAluminum (Al) Silicon (Si) Magnesium (Mg) High electrical conductivity, good oxidation film protection, ideal for lightweight structure welding

Physical & Mechanical Properties

Welding Wire TypeDensity (g/cm³)Melting Point (°C)Electrical Conductivity (% IACS)Coefficient of Thermal Expansion (10⁻⁶/°C)Tensile Strength (MPa)Yield Strength (MPa)Elongation at Break (%)
Nickel Alloy Welding Wire8.41350-14001-213.1600-800400-60030-40
Carbon Steel Welding Wire7.8514508-1011.8400-550300-40020-25
Stainless Steel Welding Wire7.91350-14502-516-17550-650300-40030-40
Aluminum Welding Wire2.7600-660>6023.1150-20075-100>20
Welding Rod TypeCoatingElectrical Resistivity (10⁻⁶ Ω·cm)Hardness (HV)Heat Resistance (°C)Tensile Strength (MPa)Yield Strength (MPa)Elongation at Break (%)
Nickel Alloy Welding RodAlkaline coated80-100200-300 < 1200700-900450-65020-35
Carbon Steel Welding RodAcid coated, alkaline coated10-15150-200 < 450400-550300-40020-25
Stainless Steel Welding RodAcid coated, alkaline coated60-80200-400 < 800550-750350-45025-35
Cast Iron Welding RodAlkaline coated90-120250-450300-600300-500150-30010-20
AWS ClassificationApplications
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
ERNiCr-3Used for welding 600, 601, and 800 alloys and dissimilar welding between stainless steel and carbon steel
ERNiCrFe-7Suitable for welding nickel-chromium-iron alloys under ASTM B163, B166, B167, and B168 standards
ERNiCrFe-6Designed 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
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

Features

  • Customizable composition, incorporating iron, nickel, aluminum, copper, and titanium for different welding needs
  • Ensures consistent and smooth weld deposits, enhancing joint quality and durability
  • Offers high strength, toughness, and corrosion resistance, suitable for demanding work environments
  • Compatible with multiple welding methods, including SMAW (Shielded Metal Arc Welding), GMAW/MIG, FCAW, and GTAW/TIG

Applications

  • Construction: Used in high-rise buildings, bridges, and tunnels for structural welding
  • Manufacturing: Applied in automotive, shipbuilding, and aerospace for assembling and repairing metal components
  • Energy industry: Utilized in nuclear power plants, thermal power stations, and oil & gas pipelines
  • Chemical industry: Essential for fabricating and maintaining reactors, storage tanks, and heat exchangers
  • Machinery & heavy equipment: Supports machine tool production, agricultural machinery, and engineering equipment repairs
  • Home appliances: Used in welding metal enclosures and components for refrigerators, washing machines, and household appliances

Frequently Asked Questions (FAQ)

Is DLX Alloy a manufacturer or a trading company?

We are a manufacturer. Changzhou DLX Alloy Co., Ltd. was founded in 2002 in Changzhou, Jiangsu, and has operated its own alloy plant ever since — we are not a trading intermediary, so you buy Nickel Alloy Welding Wire & Rod at factory prices.

We are a manufacturer. Changzhou DLX Alloy Co., Ltd. was founded in 2002 in Changzhou, Jiangsu, and has operated its own alloy plant ever since — we are not a trading intermediary, so you buy Nickel Alloy Welding Wire & Rod at factory prices.

We are a manufacturer. Changzhou DLX Alloy Co., Ltd. was founded in 2002 in Changzhou, Jiangsu, and has operated its own alloy plant ever since — we are not a trading intermediary, so you buy Nickel Alloy Welding Wire & Rod at factory prices.

MOQ is flexible — we accept small trial orders so you can qualify Nickel Alloy Welding Wire & Rod in your process first, then scale up with repeat orders under an agreed schedule.

Yes. Customers are welcome to visit our Changzhou plant or arrange a live video audit; we can share workshop photos, inspection records and certificates in advance so the audit is efficient.

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Material advice, custom specifications and project support.
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