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发明公开
CN102699579A 高铬镍全奥氏体不锈钢气保护焊接用药芯焊丝 有权 转让

高铬镍全奥氏体不锈钢气保护焊接用药芯焊丝
摘要：
本发明提供一种奥氏体不锈钢全位置焊接用药芯焊丝，它由药粉和外用不锈钢带组成，其中药芯占焊丝总重量的28.0～30.0%，其中药芯各组分占药芯的重量百分比为：金属铬粉：25.0～28.0％，金属镍粉：29.0～32.0％，电解金属锰：4.0～5.0％，高碳铬铁：2.0～4.0％，金红石：18.0～20.0％，石英：1.0～2.0％，锆英砂：1.0～2.0％，长石：1.0～3.0％，萤石：0.5～1.0％，碳酸钙：0.5～1.5％，碳酸钡：0.5～1.5％，其余为铁粉。该焊丝具有良好的焊接工艺性能，适用于高铬镍全奥氏体不锈钢的全位置气保护焊接。
摘要（英）：

The invention provides a flux-cored wire for the all-position welding of an austenitic stainless steel, comprising flux powder and a stainless steel band for external use, wherein the weight of a flux powder accounts for 28.0-30.0 percent of the total weight of the flux-cored wire, the flux powder contains the following components accounting for the flux powder in percentage by weight: 25.0%-28.0% of metallic chromium powder, 29.0%-32.0% of metallic nickel powder, 4.0%-5.0% of electrolytic metallic manganese, 2.0%-4.0% of high carbon ferro-chrome, 18.0%-20.0% of rutiles, 1.0%-2.0% of quartz, 1.0%-2.0% of zircon sands, 1.0%-3.0% of feldspars, 0.5%-1.0% of fluorspars, 0.5%-1.5% of calcium carbonate, 0.5%-1.5% of barium carbonate, and the balance of ferrous powder. The flux-cored wire has good welding process property and is suitable for the all-position gas-shielded welding of a high-chromium-nickel all-austenitic stainless steel.

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