High-Quality ER308L Stainless Steel Welding Wire For TIG & MIG Processes
High-Quality ER308L Stainless Steel Welding Wire For TIG & MIG Processes
High-Quality ER308L Stainless Steel Welding Wire For TIG & MIG Processes
High-Quality ER308L Stainless Steel Welding Wire For TIG & MIG Processes
High-Quality ER308L Stainless Steel Welding Wire For TIG & MIG Processes
High-Quality ER308L Stainless Steel Welding Wire For TIG & MIG Processes
ER308L Stainless Steel Welding Wire
Excellent welding performance: Good for welding 304L, 321 stainless steels.
Wide range of applications: Used in food, chemical, medical fields.
Applicable welding process: Works with MIG, TIG and argon gas.
In modern industrial manufacturing, high-quality welding materials are essential to ensure the integrity and durability of the structure.
ER308L Stainless Steel Welding Wire for TIG & MIG Processes is one such product designed to meet high-standard welding needs.
With its excellent performance and wide applicability, it has become the material of choice in the field of stainless steel welding, especially for applications that require extremely high corrosion resistance and welding quality.
Characteristics
The carbon content of Stainless Steel Welding Wire is strictly controlled below 0.03%, which effectively reduces the precipitation of intergranular carbides during welding. Intergranular corrosion is a common problem in stainless steel welding, especially in the heat affected zone (HAZ) and weld metal. The precipitation of carbides will lead to a decrease in the chromium content at the grain boundary, thereby reducing corrosion resistance. By reducing the carbon content, ER308L significantly improves the intergranular corrosion resistance of the weld, and is particularly suitable for application scenarios that require high corrosion resistance, such as chemical equipment, food processing machinery, and medical equipment.
2. Excellent welding process performance
The High-Quality ER308L Welding Wire - Excellent Welding Performance exhibits good fluidity, stable arc characteristics, and excellent weld forming capabilities during the welding process. Its stable arc characteristics make the welding process smoother, reduce the generation of spatter and weld defects, and thus improve welding efficiency and weld quality. In addition, the low spatter characteristics of the ER308L welding wire not only reduce the workload of cleaning, but also reduce the potential risks to operators and equipment during welding, and are particularly suitable for automated welding and high-precision welding needs.
3. Excellent corrosion resistance
Due to its high chromium (18%-20%) and high nickel (9%-11%) content,Stainless Steel Welding Wire exhibits excellent corrosion resistance in a variety of industrial environments. This combination of ingredients enables it to resist corrosion from a variety of chemical media, including acidic, alkaline and salt environments. Therefore, ER308L welding wire is not only suitable for ordinary atmospheric environments, but also maintains good performance in harsh environments such as chemical, pharmaceutical, and marine engineering.
4. Wide range of applications
ER308L Welding Wire is suitable for welding a variety of stainless steel materials, such as 304L, 321, and 347. Its wide range of applications includes chemical equipment, food processing machinery, medical equipment, pressure vessels, shipbuilding, architectural decoration, etc. Whether it is thin plate welding or thick plate welding, ER308L can provide reliable welding performance to ensure the integrity and durability of the welded structure.
5. Flexibility of welding process
ER308L welding wire is suitable for a variety of welding processes, including TIG welding (tungsten inert gas welding) and MIG welding (metal inert gas shielded welding). In TIG welding, ER308L can provide high-quality weld appearance and fine welding control; in MIG welding, it shows high efficiency and high deposition rate. In addition,stainless steel welding wire is usually used with argon or argon mixed gas containing a small amount of oxygen, which can further optimize welding performance and protect weld quality.
Application
Power polarity
ER308L Welding Wire is recommended to use direct current positive connection (DC+), that is, the wire is connected to the negative pole and the workpiece is connected to the positive pole. This polarity selection can ensure the stability of the arc during welding, while providing good penetration and welding forming effect.
Chemical composition
| Item | C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
|
AWS Standard
|
0.03max | 0.60max | 1.00-2.50 | 0.03max | 0.03max | 19.50-22.00 | 9.0-11.0 |
Mechanical properties
|
Mechanical propertie
|
Yield strength MPa
|
Tensile strength MPa
|
Elongation %
|
|---|---|---|---|
|
AWS Standard
|
≥205 MPa
|
≥515 MPa
|
≥35%
|
Welding Requirements
- Welding method:High-Quality Stainless Steel Welding Wire - Excellent Welding Performance is suitable for gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW). These two welding methods can provide the best control of the welding process and ensure that the weld has excellent mechanical properties and corrosion resistance.
- Shielding gas: It is recommended to use 100% argon or a mixture of argon and 1%~3% oxygen as the shielding gas. The flow rate of the shielding gas should be controlled at 20-25 liters/minute. The appropriate flow rate can effectively protect the molten pool from atmospheric pollution and reduce the generation of defects such as pores.
- Arc length: The arc length should generally be controlled at around 4-6 mm. Maintaining a suitable arc length is essential for a stable welding process. If the arc is too long, it will lead to insufficient coverage of the shielding gas, making the weld prone to defects such as pores; if the arc is too short, the wettability of the molten metal will deteriorate, resulting in insufficient fusion and poor weld formation. Reasonable arc length control can ensure stable heat input and excellent weld quality.
Key points for TIG welding with ER308L welding wire
1. Welding method
ER308L Stainless Steel Welding Wire is suitable for TIG (tungsten inert gas welding) welding, which can provide high-quality welds, especially for stainless steel welding with high requirements for corrosion resistance and appearance.
2. Shielding gas
In TIG welding, it is recommended to use 100% argon as shielding gas. Argon can effectively isolate the air, prevent weld oxidation and contamination, and ensure the high quality of the weld.
3. Welding parameters
Current type: It is recommended to use direct current positive connection (DC+), that is, the welding wire is connected to the negative pole and the workpiece is connected to the positive pole.
Current range: Depending on the wire diameter and welding position, the current range is usually between 100-200A.
Arc length: The arc length should be controlled at about 4-6mm. An arc that is too long may lead to insufficient protection and produce pores; an arc that is too short may cause poor wettability and affect weld formation.
4. Welding operation skills
Welding speed: Maintain a moderate welding speed and avoid being too fast or too slow. Too fast may cause the weld to be too narrow, while too slow may cause heat concentration and increase the risk of intergranular corrosion in the heat-affected zone.
Welding gun angle: When welding, the welding gun angle should be kept between 5°-15° to avoid excessive angles that lead to insufficient melting of the weld edge.
Welding seam shaping: It is recommended to use the "push welding method", that is, the welding gun is pushed forward to obtain a more uniform weld appearance and better penetration.
Key points for MIG welding with ER308L welding wire
1. Welding method
ER308L Stainless Steel Welding Wire is suitable for MIG welding (gas metal arc welding), which can achieve an efficient and stable welding process through the protection of continuous wire feeding electrode and shielding gas.
2. Shielding gas
In MIG welding, 100% argon or a mixture of argon and a small amount of oxygen (1%-3%) is recommended as the shielding gas. This gas combination can provide a stable arc, reduce spatter, and protect the molten pool from atmospheric contamination.
3. Welding parameters
Current type: It is recommended to use direct current reverse connection (DC-), that is, the welding wire is connected to the positive electrode and the workpiece is connected to the negative electrode.
Current range: Depending on the wire diameter and welding position, the current range is usually between 150-250A.
Voltage range: It is recommended to control the voltage between 20-30V.
Welding speed: Maintain a moderate welding speed and avoid too fast or too slow. Too fast may cause incomplete fusion, and too slow may cause excessive heat input.
Arc length: The arc length should be controlled at about 4-6mm. An arc that is too long may lead to insufficient protection and produce pores; an arc that is too short may cause poor wettability.
4. Operation skills
Gun angle: The welding gun should be kept at a trailing angle of 15°-20° to avoid insufficient melting of the weld edge due to excessive angle.
Wire feeding speed: The wire feeding speed should match the welding speed to ensure a stable arc and uniform weld formation.
Clean surface: Before welding, ensure that the welding surface is free of oil, rust and impurities to avoid welding defects.
How to Order
| Type | ER308L | ER308L |
|---|---|---|
| Material | Austenitic stainless steel with low carbon content (≤0.03% C) with good corrosion resistance and weldability. | Austenitic stainless steel with low carbon content (≤0.03% C) with good corrosion resistance and weldability. |
| Welding | TIG | MIG |
| Size | 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm, 2.4mm, 3.2mm, etc. | 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm, 2.4mm, 3.2mm, etc. |
| Torelance | (-0.04/-0.01)mm | (-0.04/-0.01)mm |
| Processing | Cold drawing, heat treatment, surface cleaning, quality inspection, winding and packaging. | Cold drawing, heat treatment, surface cleaning, quality inspection, winding and packaging. |
| Packing | 5kg/box or 15kg/roll | 5kg/box or 15kg/roll |
| M.O.Q | 1 ton | 1 ton |
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