E11018M Welding Electrode
AWS E11018M Welding Electrode
Description:
E11018M welding electrode is an iron powder low hydrogen type electrode that is commonly used in welding applications where high-stress resistance is required. This electrode is mainly used for welding thick steel plates or heavily restrained joints that require good impact toughness, crack resistance, and low-temperature performance.
Features
E11018M welding electrodes have several features and benefits, including:
1. High weld metal toughness and ductility
2. Superior crack and impact resistance
3. Low hydrogen levels, which minimize the possibility of hydrogen-induced cracking
4. Slag is easily removable, which saves cleaning time
5. Good arc stability and easy to use
Applications:
E11018M welding electrodes are typically used in the construction, mining, and shipbuilding industries. They are ideal for welding structural steel, heavy equipment, pressure vessels, and bridges, among other applications.
Chemical Composition of Deposited Metal: （%）
|
Element |
C |
Mn |
Si |
S |
P |
Ni |
Cr |
Mo |
|
Standard |
≤0.10 |
1.30-1.80 |
≤0.60 |
≤0.030 |
≤0.030 |
1.25-2.50 |
≤0.40 |
0.25-0.50 |
Mechanical Properties of Deposited Metal
|
Data |
Rm/MPa |
ReL/Mpa |
A(%) |
KV2/J(-46°C) |
|
Standard |
680-760 |
≥760 |
≥20 |
≥27 |
|
|
|
|
|
|
Recommended Current( AC,DC*)
|
Diameter(mm) |
Φ 2.5*300 |
Φ3.2*350 |
Φ 4.0*400 |
Φ 5.0*400 |
|
|
|
|
|
|
|
Current(A) |
70-100 |
90-130 |
130-180 |
180-240 |
|
|
|
|
|
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Precautions for Use
When using E11018M welding electrodes, it's important to observe the following precautions:
1. Clean the work surface thoroughly before welding to remove any oil, rust, or dirt.
2. Keep the electrode dry at all times, as moisture can cause porosity in the weld.
3. Use the correct amperage and arc length to prevent the electrode from sticking to the workpiece.
4. Remove any slag between passes.
5. Use proper ventilation and wear protective clothing to avoid inhaling fumes and exposure to harmful radiation.
Packaging and Storage
E11018M welding electrodes are typically packed in cardboard boxes or plastic containers and can be stored for up to two years in a dry, ventilated area at room temperature. It's essential to keep the electrodes dry to prevent moisture absorption, as this can compromise their quality and performance.
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