Home > Electrodes > AWS Class E312-16 Electrodes
Lecong Stainless Manufacturer and Suppliers in Da Nang, Vietnam, offers high-quality stainless welding materials, including AWS Class E312-16 electrodes. These electrodes are specifically designed for welding dissimilar steels, high-strength steels, and for maintenance and repair tasks. With a unique alloy composition, E312-16 provides excellent crack resistance and strength, even when working with difficult-to-weld steels. Known for their versatility, ease of use, and ability to produce smooth, lasting welds, these electrodes are trusted across industries needing reliable solutions. Lecong Stainless upholds strict quality standards, making E312-16 electrodes a dependable choice for critical stainless steel welding projects in Vietnam and around the world.
AWS Class E312-16 electrodes contain approximately 29% chromium and 9% nickel, forming a highly alloyed ferritic-austenitic weld metal. This composition provides superior strength and resistance to cracking in dissimilar welds. Mechanical properties include tensile strength of about 110,000 psi, yield strength near 80,000 psi, and elongation around 25%. The weld deposit exhibits high hardness (approximately 200–220 HB) and excellent hot cracking resistance. With stable arc performance, a smooth bead finish, and easy slag removal, E312-16 is ideal for welding challenging materials where conventional electrodes may struggle.
| Classification | AWS A5.4, E312-16 |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | AC-DCEP (Direct Current Electrode Positive) |
| Welding Position | F, V, OH, H |
| Size | 2.0 mm, 2.50 mm, 3.15 mm, 4.00 mm, 5.0 mm |
| AC/DC+ | AC or DC (+) |
| JIS Specification | BS 2926 19.9 A R |
| Other Specification | DIN 8556 E19 9 R 23 A |
| AWS E312-16 Coated Electrodes Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
|
0.15 |
28.0-32.0 | 8.0-10.5 | 0.75 | 0.5-2.5 | 1.00 | 0.04 | 0.03 | 0.75 |
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Designed for high corrosion resistance, these electrodes feature a light coating for better arc stability and smooth weld appearance. They come in sizes such as 1/8 inch and 3/32 inch, ideal for welding dissimilar metals.
Known for enhanced corrosion resistance, these electrodes have a heavier coating that improves arc stability and slag removal. Available in sizes like 3/16 inch and 5/32 inch, they are suitable for high-strength applications and vertical positions.
These electrodes are designed for shielded arc welding, offering excellent corrosion resistance and superior weld strength and durability. Typically available in 1/8 inch and 5/32 inch sizes, they are used for welding stainless steel to carbon steel.
Lecong Stainless guarantee top-quality AWS Class E312-16 Electrodes through comprehensive testing, including hardness testing, spectro analysis, PMI, flaring, micro and macro tests, pitting resistance and IGC tests. We provide complete documentation, including commercial invoices, packaging lists with net and gross weights, box numbers and labels. Our legalized Certificate of Origin and Third-Party Inspection Certificates guarantee the superior quality and reliability of every product, ensuring unmatched customer satisfaction.
AWS Class E312-16 electrodes are versatile and widely used for joining dissimilar steels, such as stainless to carbon steel or stainless to low-alloy steels. They are commonly employed in maintenance and repair welding projects where the steel type may be uncertain or difficult to weld. Applications include structural repairs, chemical processing equipment, mining machinery, and tool steels. Due to their high strength and crack resistance, they are preferred for overlaying and surfacing components exposed to significant wear. Lecong Stainless supplies these electrodes to support industries in Vietnam and globally, offering reliable solutions for challenging welding applications that require durability and versatility.
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