| 摘要 |
A manufacturing method is presented for manufacturing cored welding electrode, including provision of a cored electrode structure with core fill material substantially enclosed within a sheath material, and application of a sodium based feeding lubricant to the cored electrode structure. A cored welding electrode is provided, including a tubular sheath material with a center core area, a core fill material within the core area, and a sodium based lubricant coating on the sheath material, wherein the lubricant comprises sodium sulfate, sodium carbonate, and/or sodium nitrite.
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