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AWS A 5.22 E308LT1-5
1kg,5kg,12.5kg,15kg
1lb;2lb;4.5lb;11lb;15lb;20lb;33lb;44lb
0.6mm;0.8mm;0.9mm;1.0mm;1.2mm;1.6;2.0mm
0.023;0.030in;0.035in;3/64″;0.045;1/16″;5/64″
D100,D200,D270,D300,BS300,K300
Acceptable (design the pack with your logo)
15 Days
Product Description
1）Classification: This is a self-shielded, all-position, flux-cored welding wire classified under the AWS A5.22 standard, which outlines specifications for stainless steel flux-cored electrodes.
2）Composition (E308L): The "E308L" designates the weld metal's chemical composition, primarily for welding 308L stainless steels. The "L" indicates a low carbon content, which is crucial for minimizing carbide precipitation and enhancing resistance to intergranular corrosion.
3）Welding Position (T1): The "T1" signifies that this wire is designed for all welding positions: flat, horizontal, vertical (including vertical down), and overhead, offering significant versatility for various fabrication scenarios.
4）Shielding Mechanism (-5): The "-5" indicates that this is a self-shielded (gasless) flux-cored wire. The flux inside the tubular wire generates its own protective gas and slag, eliminating the need for an external shielding gas supply. This makes it ideal for outdoor and field applications where gas cylinders are impractical.
5）Performance Characteristics: It typically offers good arc stability, a spray-type transfer, and a smooth weld bead appearance. A notable characteristic of -5 classifications is often their suitability for vertical-down welding, which can increase welding speed in specific applications.
6）Applications: This wire is commonly used for single or multi-pass welding of austenitic stainless steels such as 304, 304L, 308, 308L, 321, and 347. Its gasless and all-position capabilities make it particularly useful for general fabrication, repair, and maintenance tasks where portability and versatility are key.
AWS A 5.22 E308LT1-5 Stainless Steel Flux Cored Wire Welding.pdf
Standard： AWS A5.22 E308LT1-5 | Chemical Composition % | |||||||||||||
C | Mn | Si | Ni | Cr | Mo | Cu | S | P | ||||||
Grade E308LT1-5 | ≤ 0.04 | 0.5 ~ 2.5 | ≤ 1.0 | 9.9 ~ 11.0 | 18.0 ~ 21.0 | ≤0.50 | ≤0.03 | ≤ 0.04 | ||||||
Type | Spool (MIG) | |||||||||||||
Specification ( MM ) | 0.8、0.9、1.0、1.2、1.6 | Pack | S100/1kg S200/5kg S270,S300/12.5kg-20kg | |||||||||||
Mechanical Properties | Rm / MPa | A (%) | ||||||||||||
≥ 520 | ≥ 35 | |||||||||||||
MIG Welding | （MM） | 1.2 | 1.6 | |||||||||||
Current - A | 120 ~ 250 | 160 ~ 300 | ||||||||||||
AWS A 5.22 E308LT1-5 Stainless Steel Flux Cored Welding Wire Parameters
| Diameter | Process | ||
| in | mm | ||
| 0.023 | 0.6 | GMAW，FCAW | |
| 0.03 | 0.8 | GMAW，FCAW | |
| 0.035 | 0.9 | GMAW，FCAW | |
| 0.039 | 1.0 | GMAW，FCAW | |
| 1/25.4” | |||
| 0.045 | 1.2 | GMAW，FCAW | |
| 3/64” | |||
| 1/16” | 1.6 | GMAW，FCAW | |
| Weight | 0.5kg | 1kg | 2kg | 5kg | 12.5kg | 15kg | |||||
| 1 lb | 2 lb | 4 lb | 11 lb | 25 lb | 33 lb | ||||||
AWS A5.22 E308LT1-5 is a **self-shielded (gasless), all-position flux-cored welding wire** specifically designed for **stainless steel welding**.
This classification indicates it meets American Welding Society standards, ensuring its quality and performance for various **fabrication projects** without the need for external shielding gas.
The "E" denotes an electrode.
"308L" refers to the weld metal's chemical composition, primarily for **308L stainless steel**, with "L" indicating low carbon content for enhanced **corrosion resistance**.
"T1" specifies that this wire is an **all-position welding wire**, suitable for flat, horizontal, vertical (including vertical-down), and overhead positions.
The "-5" signifies that it is a **self-shielded or gasless flux-cored wire**, generating its own protective gas shield from the flux core, making it highly portable and convenient.
The primary benefit of a **gasless stainless steel flux-cored wire** is its **portability and versatility**.
It eliminates the need for bulky gas cylinders, regulators, and hoses, which is ideal for **outdoor welding**, **field repairs**, and jobs in remote locations.
This feature also makes it highly resistant to wind, maintaining **weld integrity** in challenging environments where gas shielding would be problematic for **stainless steel fabrication**.
This welding wire is specifically formulated for welding **308L stainless steel**.
It's also highly effective for joining other common austenitic stainless steels such as **304, 304L, 321, and 347 stainless steel**.
Its low carbon content ensures excellent **intergranular corrosion resistance**, making it suitable for demanding applications in various industries.
The "T1" designation is crucial because it indicates **all-position weldability**.
This means you can use this wire effectively in **flat (1G), horizontal (2F), vertical-up (3F), vertical-down (3G), and overhead (4F) positions**.
This versatility simplifies **welding procedures** and makes it an excellent choice for complex **stainless steel structures** and repairs where joint orientation varies.
AWS A5.22 E308LT1-5 is widely employed in industries requiring portable and versatile **stainless steel welding solutions**.
Common applications include **general fabrication, maintenance and repair, construction projects, and various outdoor installations** where access to shielding gas is limited.
It's often used for **tanks, frames, and non-critical components** requiring **308L stainless steel** properties.
The "L" in E308LT1-5 signifies **low carbon content** in the weld metal.
This feature is critical for preventing **carbide precipitation** in the heat-affected zone (HAZ) during welding.
By minimizing sensitization, the weld maintains its inherent **corrosion resistance**, particularly against **intergranular corrosion**, ensuring the long-term durability of the **stainless steel component** in corrosive environments.
No, one of the primary advantages is that it can be used with standard **MIG welding machines** capable of running **flux-cored wire**.
It operates on **DC Electrode Negative (DCEN) or DC Straight Polarity** for most applications.
Since it's gasless, you don't need a separate gas cylinder, regulator, or associated gas lines, which streamlines your **welding setup** and enhances **mobility**.
E308LT1-5 typically produces a **relatively light and easily removable slag**.
The slag provides essential protection to the molten weld pool during solidification.
After welding, the slag can usually be chipped off with a chipping hammer or wire brushed, reducing post-weld cleaning time and effort, which contributes to increased **welding productivity** in **stainless steel fabrication**.
Yes, E308LT1-5 is suitable for both **single-pass and multi-pass welding** applications.
Its formulation is designed to maintain consistent mechanical properties and **corrosion resistance** across multiple layers.
For multi-pass welds, ensuring proper interpass cleaning and controlling the interpass temperature are important to achieve optimal **weld integrity** and prevent heat buildup in the **base metal**.
Common wire diameters for AWS A5.22 E308LT1-5 typically include **0.030 inch (0.8 mm), 0.035 inch (0.9 mm), 0.045 inch (1.2 mm), and 1/16 inch (1.6 mm)**.
The choice of wire diameter depends on the material thickness, joint configuration, and the desired deposition rate.
Finer wires offer more control for thinner materials, while thicker wires are suited for heavier sections and higher productivity in **stainless steel welding**.
Compared to gas-shielded flux-cored wires (like E308LT1-4), E308LT1-5 offers superior portability and outdoor performance due to its self-shielding nature.
While gas-shielded wires might offer a slightly smoother arc and less spatter, the **gasless E308LT1-5** is specifically engineered for situations where gas cylinders are impractical or in windy conditions, providing a robust and effective solution for **stainless steel repairs** and fabrication in the field.
Preheating requirements largely depend on the **thickness of the stainless steel** being welded and the specific application.
For most common thicknesses of **304L or 308L stainless steel**, preheating is generally not necessary.
However, for very thick sections or in highly restrained joints, a mild preheat may be considered to reduce thermal stresses and prevent potential cracking, thereby ensuring optimal **weld integrity**.
For AWS A5.22 E308LT1-5 **self-shielded flux-cored wire**, **DC Electrode Negative (DCEN)**, also known as **straight polarity**, is the standard and recommended setting.
This polarity provides optimal penetration and performance characteristics for this type of **stainless steel welding wire**.
While primarily designed for 308L and similar grades, E308LT1-5 can often be used for joining certain **dissimilar stainless steels** where one of the materials is within the 304L/308L family.
For critical applications involving significantly different stainless steel grades, it is always advisable to consult a **welding engineer** or refer to specific **welding procedure specifications (WPS)** to ensure metallurgical compatibility and long-term performance.
AWS A5.22 E308LT1-5 **flux-cored welding wire** is typically available in various spool sizes to cater to different user needs.
Common packaging options include **2 lb (0.9 kg), 10 lb (4.5 kg), and 33 lb (15 kg) spools**.
The choice of spool size often depends on the scale and frequency of your **stainless steel welding projects**, with smaller spools being ideal for hobbyists or occasional use, and larger ones for industrial applications.
To ensure optimal performance and prevent moisture pick-up, **AWS A5.22 E308LT1-5 wire** should be stored in a **dry, cool environment** in its original, sealed packaging.
Exposure to humidity can degrade the flux components, potentially leading to welding defects such as porosity or an unstable arc.
Proper storage is crucial for consistent **weld quality** in **stainless steel applications**.
While AWS A5.22 is a primary standard, many manufacturers also produce E308LT1-5 wires that comply with other international standards, such as certain **ISO 17633** classifications (for flux-cored arc welding of high strength steels and creep resisting steels) or **EN ISO 17633-A: T 23 12 L N 1**.
Always check the manufacturer's data sheet for specific certifications and compliance with any other relevant **welding standards** required for your project, especially for international applications.
Typical welding parameters for AWS A5.22 E308LT1-5 vary based on wire diameter, material thickness, and joint configuration.
However, general starting points for voltage can range from **16-22V** and amperage from **70-150A**.
It's crucial to consult the manufacturer's specific recommendations for the exact wire diameter you are using, as these parameters significantly impact **weld penetration, bead profile, and spatter levels** for optimal **stainless steel welding**.
Yes, one of the distinguishing characteristics of the "-5" classification within the T1 group for stainless steel flux-cored wires is its suitability for **vertical-down welding (3GD)**.
This capability can significantly increase welding speed and efficiency on certain joints, although careful technique is still required to manage the weld pool and slag for optimal **weld quality**.
The self-shielding nature makes it particularly effective for this position in outdoor or field conditions.
