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AWS A 5.22 E316LT1-1
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 gas-shielded, rutile-type flux-cored welding wire that strictly adheres to the AWS A5.22 standard, which governs specifications for stainless steel flux-cored electrodes.
2）Composition (E316L): The "E316L" indicates the weld metal's chemical composition, specifically designed for welding 316L stainless steel. The "L" signifies a low carbon content (≤0.030%), which is critical for minimizing carbide precipitation and enhancing intergranular corrosion resistance, especially in corrosive environments.
3）Welding Position (T1): The "T1" denotes that this wire offers all-position weldability, meaning it performs exceptionally well in flat, horizontal, vertical-up, and overhead welding positions, providing versatility for various fabrication tasks.
4）Shielding Mechanism (-1): The "-1" in the classification specifies that this wire requires 100% Carbon Dioxide (CO2) as the external shielding gas. This pure CO2 gas provides optimal arc characteristics and proper protection for the molten weld pool, ensuring consistent and high-quality welds.
5）Performance Characteristics: It is well-regarded for its stable arc, very low spatter generation, excellent bead appearance, and easy slag removal. The weld metal typically contains molybdenum, which significantly improves its resistance to pitting and crevice corrosion, especially in chloride-containing media.
6）Applications: This wire is primarily used for welding 316, 316L, CF-8M, and CF-3M stainless steels, as well as other molybdenum-bearing austenitic stainless steels. It's extensively applied in industries such as chemical processing, pulp and paper, textile dyeing, marine environments, and food processing equipment, where superior corrosion resistance and creep strength are paramount.
AWS A 5.22 E316LT1-1 Stainless Steel Flux Cored Wire Welding.pdf
Standard： AWS A5.22 E316LT1-1 | Chemical Composition % | ||||||||||||
C | Mn | Si | Ni | Cr | Mo | S | P | ||||||
Grade E316LT1-1 | ≤ 0.04 | 0.5 ~ 2.5 | ≤ 1.0 | 11.0 ~ 14.0 | 17.0 ~ 20.0 | 2.0 ~ 3.0 | ≤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 E316LT1-1 Stainless Steel Flux Cored Welding Wire Parameters
| Diameter | Process | ||
| in | mm | ||
| 0.023 | 0.6 | FCAW | |
| 0.03 | 0.8 | FCAW | |
| 0.035 | 0.9 | FCAW | |
| 0.039 | 1.0 | FCAW | |
| 1/25.4” | |||
| 0.045 | 1.2 | FCAW | |
| 3/64” | |||
| 1/16” | 1.6 | 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 E316LT1-1 is a **gas-shielded, all-position, rutile-type flux-cored welding wire** specifically engineered for joining **316L stainless steel**.
This classification ensures it meets stringent American Welding Society standards, making it a reliable choice for applications demanding superior **corrosion resistance** and excellent weld quality.
The "E" indicates an electrode.
"316L" refers to the weld metal's chemical composition, primarily for **316L 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-up, and overhead positions.
The "-1" signifies that it requires **100% Carbon Dioxide (CO2)** as the external **shielding gas** for optimal performance and protection of the **weld pool**.
**316L stainless steel** contains **molybdenum**, which provides superior resistance to **pitting and crevice corrosion**, especially in chloride-rich environments.
The **E316LT1-1 wire** is designed with a similar molybdenum content in its weld metal, ensuring that the deposited weld matches the enhanced corrosion properties of the base material.
This is crucial for maintaining the integrity of components in aggressive environments like those found in **marine or chemical processing industries**.
This welding wire is primarily designed for welding **316L stainless steel**.
It is also highly effective for joining other molybdenum-bearing austenitic stainless steels such as **316, CF-8M, and CF-3M**.
Its specific composition ensures that the weld metal provides comparable **corrosion resistance** to these specialized alloys, which is vital for **long-term performance**.
The "T1" designation is crucial because it indicates **all-position weldability**.
This means the wire can be used effectively for welding in **flat (1G), horizontal (2F), vertical-up (3F), and overhead (4F) positions**.
This versatility simplifies **welding procedures** and makes it an indispensable tool for complex **stainless steel fabrication** and **piping systems** where various joint orientations are encountered.
The "-1" in its classification specifies that this wire requires **100% Carbon Dioxide (CO2)** as the external **shielding gas**.
While some stainless steel wires use Argon/CO2 mixes, this particular classification is optimized for pure CO2.
CO2 provides deeper penetration and a more robust arc, which helps to properly fuse the alloyed weld metal and contributes to excellent **mechanical properties** and bead shape in **stainless steel welding**.
The "L" in E316LT1-1 signifies **low carbon content** (typically $\le 0.030\%$) in the weld deposit.
This is vital for minimizing **carbide precipitation** in the heat-affected zone (HAZ) during welding, a phenomenon known as sensitization.
By preventing sensitization, the weld metal maintains its excellent **intergranular corrosion resistance**, particularly important in applications where corrosive media are present, ensuring the long-term durability of the **stainless steel component**.
AWS A5.22 E316LT1-1 is extensively utilized in industries demanding superior **corrosion resistance** and **creep strength**.
Common applications include **chemical processing equipment, pulp and paper mills, textile dyeing industries, pharmaceutical manufacturing, marine environments (e.g., saltwater piping), and certain food processing equipment** where chloride resistance is paramount.
It's essential for fabricating durable **stainless steel structures** in harsh conditions.
Welders can expect **excellent arc stability**, leading to a smooth and controlled welding process with consistent results.
It typically produces **very low spatter levels**, which significantly reduces post-weld cleaning time.
Additionally, it offers an **attractive bead appearance** and the slag is usually **easily removable**, contributing to high **welding productivity** and quality finish on **stainless steel components**.
Preheating requirements largely depend on the **thickness of the stainless steel** being welded and the specific application.
For most common thicknesses of **316L 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 ensure optimal **weld integrity**, preventing potential cracking.
The addition of **molybdenum** to the **316L weld metal** significantly enhances its resistance to **pitting and crevice corrosion**.
This is especially critical in environments containing chlorides, such as saltwater or certain chemical solutions, where other stainless steels might be susceptible.
Molybdenum helps to stabilize the passive film on the stainless steel surface, providing superior **corrosion protection** for the welded assembly.
E316LT1-1, being a **rutile-type flux-cored wire**, is known for producing a **well-formed and easily removable slag**.
The slag typically detaches readily, often self-peeling, which minimizes the need for extensive post-weld cleaning.
This ease of slag removal contributes to higher **welding efficiency** and a cleaner final **weld appearance** on **stainless steel components**.
Common wire diameters for AWS A5.22 E316LT1-1 typically include **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 factors such as material thickness, desired deposition rate, and the specific **welding position** being used.
Thinner wires offer more control for intricate work, while thicker wires are preferred for heavier sections and higher productivity in **stainless steel fabrication**.
To ensure optimal welding performance and prevent moisture pick-up, **AWS A5.22 E316LT1-1 wire** should be stored in a **dry, cool environment**, preferably in its original, sealed packaging.
Exposure to high humidity can degrade the flux components, potentially leading to issues like porosity or an unstable arc during **stainless steel welding**.
Proper storage is crucial for consistent **weld quality** and preventing costly rework.
Yes, the **316L weld metal** is formulated with a controlled amount of delta ferrite, which significantly improves its resistance to **hot cracking** (solidification cracking).
This characteristic is particularly important in **stainless steel welding**, as it helps to accommodate thermal stresses during solidification, ensuring a robust and crack-free **weld bead** and enhancing **weld integrity**.
Typical welding parameters for AWS A5.22 E316LT1-1 vary based on wire diameter, material thickness, and joint configuration.
However, general starting points for voltage can range from **22-28V** and amperage from **120-280A**.
It's crucial to consult the manufacturer's specific recommendations for the exact wire diameter you are using, as optimizing these parameters is vital for achieving the best **weld penetration, bead profile, and overall weld quality** in your **stainless steel applications**.
While primarily for 316L, E316LT1-1 can sometimes be used for joining certain **dissimilar stainless steels**, especially if one of the materials is a 316L or similar molybdenum-bearing grade.
However, for welding 316L to carbon steel or other very different alloys, a 309L-type filler metal (like E309LT1-1) is typically preferred due to its ability to handle greater dilution.
Always consult specific **welding procedure specifications (WPS)** for critical **dissimilar metal joints**.
Compared to **solid 316L wires (GMAW)**, E316LT1-1 **flux-cored wire** typically offers **higher deposition rates**, particularly in out-of-position welding.
It also provides a more robust arc and often better tolerance to surface contaminants, making it more forgiving in certain production environments.
While both require shielding gas, the flux-cored option can enhance productivity and **weld quality** in applications where speed and all-position capability are critical for **stainless steel fabrication**.
When used with the correct **100% CO2 shielding gas** and proper welding parameters, E316LT1-1 exhibits good resistance to porosity.
The flux system, combined with the CO2 shield, effectively protects the molten weld pool from atmospheric contaminants like nitrogen and oxygen, which are common causes of **weld porosity**.
Ensuring proper gas flow rate and maintaining a clean weld area are also essential for achieving **porosity-free stainless steel welds**.
Yes, due to its 316L composition, which contains molybdenum, E316LT1-1 is suitable for certain **high-temperature service environments** and applications requiring improved **creep strength**.
The molybdenum contributes to better strength at elevated temperatures compared to 304L stainless steels, making it a reliable choice for components in industries like **power generation** and **chemical processing** where both **strength and corrosion resistance** are required at high operating temperatures in **stainless steel structures**.
