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LOW HYDROGEN BASIC METAL CORED ELECTRODE FOR WELD METAL ALLOY OF HIGH YIELD STRENGTH AND METHOD OF DEPOSITING SAID ALLOY
LOW HYDROGEN BASIC METAL CORED ELECTRODE FOR WELD METAL ALLOY OF HIGH YIELD STRENGTH AND METHOD OF DEPOSITING SAID ALLOY
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机译:高屈服强度合金用低氢碱性金属药芯焊条及其沉积方法
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摘要
A consumable welding element for arc welding comprising a steel sheath surrounding a compacted core containing metal alloying powders and an essentially 100% basic compound in an amount less than about 1.60% of the total weight of said element. The basic compound is calcium fluoride powder which is preferably in the range of about 0.1% to about 0.9% calcium fluoride powder by total weight of the element. As another feature the core of the element contains a specific agent for decreasing the amount of diffusible hydrogen in the weld metal. This new element may be a filler metal for TIG welding; however, it is preferably a consumable electrode for MIG welding.
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