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发明公开
CN106475667A FGB法高效埋弧焊接配套焊接材料 有权 质押

FGB法高效埋弧焊接配套焊接材料
摘要：
本发明公开了一种FGB法高效埋弧焊接配套焊接材料，烧结焊剂包括以下重量份的原料：25-35份MgO、2-6份CaO、10-20份CaF2、15-25份Al2O3、15-25份SiO2、0-2份K2O、0-4份Na2O和0-1份CeO；合金粉末包括以下重量份的原料：95-100份Fe、0-4份Mn、0-1份TiFe、0-1份SiFe、0-0.5份Ni和0-0.5份Mo；陶质衬垫包括以下重量份的原料：40-60份Al2O3、4-8份MgO、30-40份SiO2和2-8份K2O。本发明的配套焊接材料使用特定原料、合理配比能够满足FGB法工艺焊接要求，力学性能能够达到4Y级水平，拥有良好的工艺性能。
摘要（英）：

The invention discloses an FGB method efficient submerged-arc welding mating welding material. Sintered flux comprises raw materials, by weight, 25-35 parts of MgO, 2-6 parts of CaO, 10-20 parts of CaF2, 15-25 parts of Al2O3, 15-25 parts of SiO2, 0-2 parts of K2O, 0-4 parts of Na2O and 0-1 part of CeO; alloy powder comprises raw materials, by weight, 95-100 parts of Fe, 0-4 parts of Mn, 0-1 part of TiFe, 0-1 part of SiFe, 0-0.5 part of Ni and 0-0.5 part of Mo; and a ceramic liner comprises raw materials, by weight, 40-60 parts of Al2O3, 4-8 parts of MgO, 30-40 parts of SiO2 and 2-8 parts of K2O. According to the mating welding material, special raw materials are used, reasonable matching is achieved, the FGB method process welding requirement can be met, the mechanical property can achieve the 4Y-stage level, and the good process performance is achieved.

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