一种埋弧焊丝及其熔敷金属

• Format: Patent
• Language: Chinese
• Published: 14.02.2020
• Subjects: ALLOYS; CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; FERROUS OR NON-FERROUS ALLOYS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MACHINE TOOLS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WELDING; WORKING BY LASER BEAM

本发明公开了一种埋弧焊丝，以质量百分数计包括：Mn：2.2％-3.0％；Ni：2.80％-3.50％；Mo：0.85％-1.5％；Si：0.25％-0.55％；Cr：0.30％-0.65％；0.05％≤C≤0.010％；0＜S≤0.010％；0＜P≤0.015％；0＜Cu≤0.20％；0＜Ti≤0.05％；0＜Al≤0.015％；余量为Fe。本发明焊丝配合专用焊剂，通过合理的焊接工艺，能够使焊缝金属的组分达到最佳状态，焊接工艺性能优异，成型美观细腻，焊缝边缘过渡流畅，具有良好的金属光泽，焊缝金属的化学成分和组织达到最佳，熔敷金属S、P含量低，焊态的拉伸强度、冲击值、弯曲性能、抗裂性能等机械性能优异。