MIG & TIG
A nickel chromium molybdenum alloy welding wire. It has a relatively low concentration of carbon and silica in its composition and has excellent corrosion resistance and high strength. Some typical base metals that this alloy is used on are ASTM and ASME B and SB 574, 575, 619, 622 and 626.
ErNiCrMo-13 is a nickel-based alloy commonly known as Hastelloy C-276. It is a versatile alloy with excellent corrosion resistance in a wide range of aggressive environments. ErNiCrMo-13 is particularly suited for applications involving strong oxidizing agents, acids, and chlorides. Here is an overview of ErNiCrMo-13:
ErNiCrMo-13 consists primarily of nickel (Ni), chromium (Cr), molybdenum (Mo), and small amounts of iron (Fe). The typical composition is approximately 55% nickel, 16% chromium, 16% molybdenum, 5% iron, and other trace elements. This composition provides ErNiCrMo-13 with its exceptional corrosion resistance and mechanical properties.
ErNiCrMo-13 exhibits outstanding resistance to corrosion in a variety of aggressive environments, including:
Strong Oxidizing Agents: It resists corrosion from oxidizing agents such as nitric acid, chlorine, hypochlorite, and chlorine dioxide.
Acids: ErNiCrMo-13 provides excellent resistance to corrosion in both reducing and oxidizing acids, including sulfuric acid, hydrochloric acid, phosphoric acid, and acetic acid.
Chlorides: It has excellent resistance to chloride-induced pitting and crevice corrosion, making it suitable for applications in marine environments and chloride-containing solutions.
Seawater: ErNiCrMo-13 is highly resistant to corrosion in seawater, making it suitable for marine and offshore applications.
ErNiCrMo-13 retains its mechanical strength and corrosion resistance at elevated temperatures, making it suitable for high-temperature applications. It can withstand temperatures up to approximately 1,000°C (1,800°F) without significant loss of mechanical properties.
ErNiCrMo-13 is widely used in various industries where corrosion resistance is essential. Some common applications include:
Chemical Processing: It is used in chemical processing equipment such as reactors, vessels, and piping systems that handle corrosive chemicals and acids.
Petrochemical Industry: ErNiCrMo-13 is employed in oil refineries, gas processing plants, and petrochemical facilities for equipment exposed to corrosive environments.
Pharmaceutical Industry: It is utilized in pharmaceutical manufacturing processes that involve corrosive chemicals and acids.
Pollution Control: ErNiCrMo-13 is used in flue gas desulfurization systems, waste treatment plants, and other pollution control applications where resistance to corrosive gases and acids is required.
Marine and Offshore: It finds applications in marine components, offshore platforms, and seawater handling systems due to its excellent resistance to corrosion in marine environments.
ErNiCrMo-13 offers several advantages, including:
Excellent Corrosion Resistance: It provides exceptional resistance to a wide range of corrosive environments, including strong oxidizing agents, acids, and chlorides.
High-Temperature Performance: ErNiCrMo-13 retains its strength and corrosion resistance at elevated temperatures, making it suitable for high-temperature applications.
Versatility: The alloy’s broad corrosion resistance allows for its use in various industries, including chemical processing, petrochemicals, pharmaceuticals, and marine applications.
Weldability: ErNiCrMo-13 can be readily welded using various processes, allowing for easy fabrication and repair.
In summary, ErNiCrMo-13 (Hastelloy C-276) is a nickel-based alloy known for its exceptional corrosion resistance in aggressive environments. Its resistance to strong oxidizing agents, acids, and chlorides, along with its high-temperature performance, make it a versatile choice for applications in chemical processing, petrochemicals, pharmaceuticals, and marine environments.
- It has exceptional resistance against a massive number of corrosive media under oxidizing and reducing conditions.
- It has extreme resistance against chloride-induced pitting and crevice corrosion, as well as resistance against pitting.
- It offers the best feature of corrosion cracking resistance.
- It offers an exceptional resistance against acids such as nitric, phosphoric, sulfuric, and salt acids, but mainly against sulfur/salt acid mixtures, and contaminated acids.
- It provides the best machining features and weldability with a low propensity to form cracks.
- It also resists sensitization.
- Versatile plants in the chemicals industry, pharmaceuticals industry, heat exchangers, and flaps.
- For fuel gas desulfurization (FGD) in fossil fuel power manufacturing areas and waste combustion plants.
- Apparatus for seawater and concentrated brine.
- Tools and components for geothermal energy and acid gas applications.
- Reactors for acids and acetic anhydrides.
|Tensile Strength MPa(ksi)||Yield Strength MPa(ksi)||Elongation %|
|AWS requirement||760(110)||Not specified||Not specified|
|Typical results as welded||700(102)||400(58)||30|
|0.035||0.9||GMAW||26-29||150-190||Spray Transfer 100% Argon|
|0.045||1.2||GMAW||28-32||180-220||Spray Transfer 100% Argon|
|1/16||1.6||GMAW||29-33||200-250||Spray Transfer 100% Argon|
|MIG Spools||0.8mm /1.0mm /1.2mm /1.6mm||-||33 lbs (15kgs)|
|TIG Cut Lengths||2.0mm /2.4mm /2.5mm /3.2mm /4.0mm /5.0mm||915mm- 1000mm||11 lbs (5kgs)|
|Reels And Coils||2.0mm /2.4mm /2.5mm /3.2mm /4.0mm /5.0mm||-||60 lbs (27kgs)|
ErNiCrMo-13 is a specific welding filler metal classified under the American Welding Society (AWS) A5.14 standard. It is a type of welding wire used for the Gas Tungsten Arc Welding (GTAW) or Tungsten Inert Gas (TIG) welding process. The designation “Er” stands for an electrode or filler metal used in TIG welding, “Ni” represents the presence of nickel, “Cr” indicates chromium, and “Mo” indicates molybdenum. The “-13” at the end refers to the specific chemical composition and properties of the welding wire.
The primary application of ErNiCrMo-13 is for welding nickel-chromium-molybdenum alloys, such as Inconel and Hastelloy. These alloys are known for their excellent high-temperature strength, corrosion resistance, and mechanical properties, making them ideal for use in demanding environments like aerospace, chemical processing, power generation, and marine applications.
Some key features and applications of ErNiCrMo-13 filler metal include:
High-Temperature Strength: ErNiCrMo-13 filler metal is designed to provide welds with high-temperature strength, which is essential for applications in elevated-temperature environments.
Corrosion Resistance: The presence of nickel, chromium, and molybdenum in the filler metal imparts excellent corrosion resistance to the welds, making them suitable for use in corrosive atmospheres.
Welding Dissimilar Materials: ErNiCrMo-13 is often used for joining different nickel-chromium-molybdenum alloys or for welding these alloys to other materials.
Gas Tungsten Arc Welding (TIG): ErNiCrMo-13 is typically used in TIG welding processes, which require precise control and produce high-quality welds.
Aerospace and Petrochemical Industries: The filler metal finds extensive use in these industries due to its ability to withstand high-temperature and corrosive conditions.
Nuclear Power Plants: ErNiCrMo-13 is used in welding components for nuclear reactors and related equipment where resistance to corrosion and radiation is essential.
As with any welding process and material, it’s crucial to follow the manufacturer’s guidelines and the specific welding procedures to ensure the integrity and performance of the welded joints. Welding operators should also consider the specific requirements of each application and adhere to safety standards to achieve the desired results.
What welding processes are suitable for using ErNiCrMo-13 filler metal
ErNiCrMo-13 filler metal is primarily used for Gas Tungsten Arc Welding (GTAW), commonly known as Tungsten Inert Gas (TIG) welding. GTAW is a welding process that uses a non-consumable tungsten electrode to produce the weld, and an inert shielding gas, such as argon or helium, is used to protect the weld area from atmospheric contamination. The addition of the ErNiCrMo-13 filler metal provides the necessary alloying elements for welding nickel-chromium-molybdenum (Ni-Cr-Mo) alloys.
GTAW/TIG welding is preferred for ErNiCrMo-13 for several reasons:
- Precision Welding: GTAW offers precise control over the welding parameters, resulting in high-quality welds with minimal spatter and excellent weld bead appearance.
- Clean Welds: The use of a non-consumable tungsten electrode and inert shielding gas ensures clean and contamination-free welds, especially crucial for applications in industries where the welds must maintain high integrity and corrosion resistance.
- Versatility: GTAW can be used on various thicknesses of materials, making it suitable for a wide range of applications.
- Low Heat Input: GTAW produces low heat input, reducing the risk of distortion and minimizing the heat-affected zone (HAZ) in the welded materials.
- Suitable for Thin Materials: The process is well-suited for welding thin materials, such as thin sheets and small-diameter tubes, without causing excessive distortion.
- All-Position Welding: GTAW allows for welding in all positions, including vertical and overhead positions, providing flexibility in different welding scenarios.
What forms does ernicrmo-13 come in?
ErNiCrMo-13 is a high-temperature nickel alloy that is primarily used for welding applications where high-temperature corrosion resistance is required. This alloy is also known as Inconel 625, which is a popular and widely used nickel-based alloy.
ErNiCrMo-13 or Inconel 625 comes in various forms to suit different welding processes and applications. The most common forms include:
- Welding Wire: ErNiCrMo-13 welding wire is available in various diameters and spools for use in gas tungsten arc welding (GTAW or TIG) and gas metal arc welding (GMAW or MIG) processes. It is used to make high-temperature and corrosion-resistant welds on various materials, including stainless steels and nickel alloys.
- Welding Electrodes: Welding electrodes made from ErNiCrMo-13 are designed for shielded metal arc welding (SMAW or stick welding). These electrodes are used for welding applications that require the high-temperature properties and corrosion resistance of Inconel 625.
- Welding Rods: ErNiCrMo-13 welding rods are used in oxyacetylene welding and brazing processes. These rods are suitable for joining or overlaying components where high-temperature resistance and corrosion resistance are essential.
- Welding Flux-Cored Wire: Flux-cored wire made from ErNiCrMo-13 is used in applications that require high deposition rates and a high-quality weld bead. It is commonly used in industries such as aerospace and chemical processing.
- Powder: In some specialized welding and additive manufacturing processes, ErNiCrMo-13 powder may be used. This form is often utilized in powder metallurgy techniques like laser powder bed fusion or electron beam melting.
- Bars and Plate Stock: While ErNiCrMo-13 is primarily used in welding consumables, Inconel 625 is available in the form of bars, plates, and other semi-finished products. These materials can be used to fabricate components and structures that require high-temperature and corrosion resistance properties.
Due to its excellent control and ability to produce high-quality welds, GTAW/TIG welding with ErNiCrMo-13 is commonly used in industries where nickel-chromium-molybdenum alloys, such as Inconel and Hastelloy, are frequently employed. These industries include aerospace, chemical processing, power generation, oil and gas, marine, and nuclear applications. However, it is essential to consult the specific welding procedure and recommendations from the filler metal manufacturer for the best results and to ensure the welded joints meet the required standards and specifications.
FAQs1. What is ErNiCrMo-13?
ErNiCrMo-13 is a nickel-based alloy designated for welding. It is characterized by its high nickel content and is designed for use in various welding applications.
2. What is the composition of ErNiCrMo-13?
ErNiCrMo-13 primarily consists of nickel (Ni), chromium (Cr), and molybdenum (Mo). The exact composition may vary, but typical percentages are approximately 62% Ni, 22% Cr, and 9% Mo, with trace amounts of other elements.
3. What are the main properties of ErNiCrMo-13?
ErNiCrMo-13 is known for its excellent resistance to corrosion and oxidation, even at elevated temperatures. It offers high strength and ductility, making it suitable for a wide range of welding applications.
4. What are the primary applications of ErNiCrMo-13?
ErNiCrMo-13 is used in various welding applications, including the welding of nickel-based alloys, stainless steels, and other high-alloy materials. It is often employed in industries such as aerospace, petrochemical, and chemical processing.
5. Why is ErNiCrMo-13 used in welding applications?
ErNiCrMo-13 is chosen for its ability to provide strong, corrosion-resistant welds in challenging environments. It is particularly valuable in applications where resistance to heat and corrosion is crucial.
6. What types of welding processes is ErNiCrMo-13 suitable for?
ErNiCrMo-13 can be used in various welding processes, including gas tungsten arc welding (GTAW or TIG), gas metal arc welding (GMAW or MIG), and submerged arc welding (SAW). The choice of process depends on the specific welding requirements.
7. Is ErNiCrMo-13 suitable for high-temperature applications?
Yes, ErNiCrMo-13 is often used in high-temperature applications due to its excellent heat resistance and creep strength. It can maintain its properties at elevated temperatures.
8. Does ErNiCrMo-13 have good resistance to corrosion?
Yes, ErNiCrMo-13 is highly corrosion-resistant, especially in environments containing acids, alkalis, and oxidizing agents. This property makes it well-suited for welding components in chemical processing and similar industries.
9. Is preheating required when using ErNiCrMo-13 for welding?
Preheating may be necessary for certain applications to minimize thermal stress and ensure good weld quality. The specific preheating requirements depend on the base materials and welding conditions.
10. Can ErNiCrMo-13 be used for dissimilar metal welding?
– Yes, ErNiCrMo-13 is often used for dissimilar metal welding, such as joining stainless steel to nickel-based alloys. It provides a strong and corrosion-resistant bond between different materials.