E71T-11
1kg,5kg,15kg,20kg
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
Availability: | |
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Product Description
1)AWS A5.20 E71T-11 denotes a specific self-shielded flux-cored arc welding (FCAW-S) electrode classification.
2)The "E" indicates an electrode, "7" signifies a minimum tensile strength of 70,000 psi, "1" denotes that it's suitable for all-position welding, and "T" identifies it as a tubular (flux-cored) wire.
3)The "-11" is a unique designator for this specific wire, highlighting its general-purpose usability, self-shielding characteristics, and good arc stability for home and light industrial applications.
4)Crucially, as a "gasless" wire, E71T-11 contains special fluxing agents within its core that produce shielding gases during welding, eliminating the need for an external gas cylinder and making it highly portable.
5)This welding consumable is particularly favored for single-pass welding and limited multi-pass applications on thin to medium-gauge mild and galvanized steels, up to approximately 3/4 inch (19 mm) thick.
6)Operating on DC Electrode Negative (DCEN) polarity, E71T-11 provides a smooth arc, minimal spatter, and easily removable slag, making it an ideal choice for maintenance welding, outdoor repairs, and general fabrication where convenience and ease of use are paramount.
AWS A 5.20 E71T-11 Flux Cored Welding Wire.pdf
Standard: AWS A5.20 E71T-11 | Chemical Composition % | ||||||||||||
C | Mn | Si | P | Al | S | Cr | Ni | Cu | Mo | V | |||
Grade E71T-11 | ≤0.30 | ≤1.75 | ≤0.60 | ≤0.03 | ≤1.80 | ≤0.03 | ≤0.20 | ≤0.50 | ≤0.35 | ≤0.30 | ≤0.08 | ||
Type | Spool (MIG) | ||||||||||||
Specification ( MM ) | 0.8、0.9、1.0、1.2、1.6 | Package | S100/1kg S200/5kg S270,S300/15kg-20kg | ||||||||||
Mechanical Properties | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) | ||||||||||
≥ 390 | 490 – 670 | ≥ 20 | |||||||||||
MIG Welding
| Diameter(MM) | 1.0 | 1.2 | 1.6 | |||||||||
Welding Current - A | 60 – 180 | 80 – 220 | 110 – 270 | ||||||||||
Welding Voltage- V | 12 – 20 | 13 – 22 | 14 – 26 |
Diameter | Process | ||
in | mm | ||
0.023 | 0.6 | GMAW | |
0.03 | 0.8 | GMAW | |
0.035 | 0.9 | GMAW | |
0.039 | 1.0 | GMAW | |
1/25.4” | |||
0.045 | 1.2 | GMAW | |
3/64” | |||
1/16” | 1.6 | GMAW |
AWS A 5.20 Gasless E71T-11 Flux Cored Welding Wire Packages | |||||||||||
Weight | 0.5kg | 1kg | 2kg | 5kg | 15kg | 20kg | |||||
1 lb | 2 lb | 4 lb | 11 lb | 33 lb | 44 lb |
AWS A5.20 E71T-11 is a widely used **self-shielded, flux-cored arc welding (FCAW-S) wire**. It's primarily designed for **gasless welding** of mild and galvanized steels, offering exceptional ease of use and versatility for various **fabrication** and **repair** tasks. This **welding consumable** is a go-to for many DIY enthusiasts and light industrial users.
The term "gasless" means that E71T-11 wire generates its own protective shielding gas from the flux ingredients within its core as it melts. This eliminates the need for an external shielding gas cylinder, making the **welding setup** more portable and ideal for outdoor or windy conditions where traditional MIG welding would be impractical. It significantly enhances **welding convenience**.
E71T-11 is highly favored for general fabrication, light structural work, automotive repairs, and agricultural equipment maintenance. Its ease of use makes it popular for hobbyists and farm applications, as well as on-site repairs where portability is crucial. It's a versatile **welding solution** for a broad range of **steel welding** projects.
E71T-11 is excellent for welding **mild steel**, galvanized steel, and some light-gauge carbon steels. It's particularly effective on thin sections due to its forgiving arc characteristics and good gap-bridging capabilities. Always ensure the **base material** is clean for optimal **weld quality**, though it has some tolerance for surface impurities.
Key advantages include its **self-shielding nature**, which simplifies equipment and allows for outdoor use. It offers a smooth arc, low spatter, and easy slag removal, contributing to a good bead appearance with minimal post-weld cleanup. Its overall **ease of use** makes it a popular choice for beginners and experienced welders alike, boosting **welding efficiency**.
E71T-11 flux-cored wire is designed to be used with **DC Electrode Negative (DCEN)**, also commonly known as straight polarity. This polarity configuration ensures proper arc stability, good penetration, and optimal performance for this specific **welding process**. Always confirm your welder's settings before beginning your **welding operation**.
Yes, the "1" in the E71T-11 classification indicates that it is an **all-position welding wire**. This means it can be effectively used for welding in flat, horizontal, vertical-up, and overhead positions, providing versatility for various **joint configurations** and **welding scenarios** commonly encountered in fabrication and repair.
Welds made with E71T-11 typically exhibit a minimum tensile strength of 70,000 psi (approximately 480 MPa). While it may not offer the same impact toughness as some specialized wires, it provides sufficient strength and ductility for general-purpose applications. These **mechanical properties** are suitable for non-critical structural components.
E71T-11 is particularly well-suited for welding **galvanized steel**. Its flux system helps to handle the zinc coating, minimizing porosity and improving the overall **weld quality** on these materials. Proper ventilation is crucial when welding galvanized steel due to the fumes produced by the vaporizing zinc.
E71T-11 welding wire is frequently available in popular diameters such as 0.030" (0.8mm), 0.035" (0.9mm), and 0.045" (1.1mm). The choice of **wire diameter** depends on the thickness of the material being welded and the capacity of your **welding machine**. Thinner wires are generally better for thinner materials.
Welds made with E71T-11 generally have a slightly convex to flat bead profile with a somewhat rougher appearance compared to solid wire welds. There will be a distinct slag covering that is typically easy to remove, revealing a clean **weld bead**. This appearance is characteristic of **self-shielded flux-cored wires**.
While user-friendly, challenges can include managing spatter if settings aren't optimized, and potential porosity if the wire is exposed to excessive moisture. Achieving optimal penetration on thicker materials might require multiple passes or a larger wire diameter. Proper **technique** and **welding parameter** selection are key to minimizing these issues.
To maintain its quality and prevent moisture absorption, E71T-11 wire should be stored in a dry, temperate environment, preferably in its original sealed packaging. Protect it from humidity and extreme temperature fluctuations. Proper **wire storage** ensures consistent feeding and optimal **welding performance** when you're ready to use it.
E71T-11 is generally recommended for **single-pass welding** and limited multi-pass applications, especially on thinner materials. While it can be used for multi-pass welds, it's important to thoroughly clean the slag between passes to ensure good interpass fusion and prevent defects. For heavy multi-pass structural work, other flux-cored wires (like E71T-8) might be more suitable.
Yes, E71T-11 is often recommended for beginners and hobbyists due to its forgiving nature and ease of use. The self-shielding feature eliminates the complexity of managing shielding gas, allowing new welders to focus on torch manipulation and puddle control. Its versatility makes it a great starting point for learning **FCAW**.
Both are gasless, all-position wires with similar tensile strengths. However, E71T-11 is typically considered a **general-purpose wire** for thinner materials and lighter fabrication, known for its very smooth arc and easy slag removal. E71T-8 is often specified for heavier sections and critical applications requiring higher impact toughness, like seismic welding. The **welding characteristics** and intended uses differ slightly.
When properly set up with correct voltage and wire feed speed, E71T-11 generally produces a manageable amount of spatter. Compared to some other self-shielded wires, it is known for relatively clean operation. Minor adjustments to **welding parameters** can often further reduce spatter and improve the overall **weld appearance**.
For most general-purpose and home use, specific certifications like those from ABS or DNV might not be necessary. However, for professional applications or if required by a project, look for compliance with the AWS A5.20 standard. Reputable manufacturers will provide **technical data sheets** detailing all relevant **product specifications** and any applicable certifications.
Absolutely. One of the major advantages of E71T-11's self-shielding design is its excellent performance in windy outdoor conditions. Since it doesn't rely on an external gas shield that can be blown away, it maintains a stable arc and effective shielding, making it ideal for **on-site welding** where weather conditions are a factor.
Optimizing E71T-11 performance involves using the correct **stick-out** (typically 1/2 to 3/4 inch), maintaining proper wire feed speed and voltage settings according to the manufacturer's recommendations, and ensuring good travel speed. Consistent **welding technique** and proper **base metal preparation** will lead to the best results and **highest quality welds**.