The invention discloses a welding material for ZG45Cr25Ni35NbM, which relates to the field of welding materials. According to the mass percentage, it consists of the following chemical components: C < 0.5%, Cr 16.0-18.0%, Fe 6.0-10.0%, Mn < 1.0%, Nb 1.5-3.0%, Si 0.6-1.0%, S < 0.015%, P < 0.015%, Ni < 70.0%. The surface morphology of the welded seam obtained by this welding material is good. It not only has excellent corrosion resistance and mechanical properties at room temperature, but also shows obvious improvement of high temperature mechanical properties, which can greatly improve the quality and service life of the products.
【技术实现步骤摘要】
一种用于ZG45Cr25Ni35NbM的焊接材料
本专利技术属于焊接材料
,具体涉及一种用于ZG45Cr25Ni35NbM的焊接材料。
技术介绍
耐高温铸造合金ZG45Cr25Ni35NbM,具有如下化学成分(质量百分比):C0.4~0.5%,Cr23.0~27.0%,Ni33.0~37.0%,Mn≤1.0%,Si≤1.5%,S≤0.03%,P≤0.03%,Ti+Zr微量,Fe余量。该合金具有优异的耐高温腐蚀、抗氧化和冷热加工性能,被广泛应用于石化领域。合金应用离不开焊接,而焊缝质量是金属产品整体性能(如力学性能、抗腐蚀性能)的一个重要影响因素。若焊接材料选用不当或质量不佳,则焊缝将成为产品整体性能的“短板”。因此,配套的焊接材料被认为是合金研发领域的一个重要组成部分。目前,用于镍基的焊接材料主要是ERNiCr-3,其化学成分为:C≤0.1%,Cr18~22%,Fe≤3.0%,Mn2.5~3.5%,Nb+Ta2.0~3.0%,Ti≤0.75%,Si≤0.5%,Cu≤0.5%,S≤0.015%,P≤0.03%,Ni≥67.0%。针对镍基热裂纹敏感性强、液体流动 ...
【技术保护点】
1.一种用于ZG45Cr25Ni35NbM的焊接材料。
【技术特征摘要】
1.一种用于ZG45Cr25Ni35NbM的焊接材料。2.根据权利要求1所述的用于ZG45Cr25Ni35NbM的焊接材料,其特征在于,按质量百分比计,由以下化学成分组成:C≤0.5%,Cr16.0~18.0%,Fe6.0~10.0%,Mn≤1.0%,Nb1.5~3.0%,Si0.6~1.0%,S≤0.015%,P≤0.015%,Ni≥70.0%。3.根据权利要求2所述的用于ZG45Cr25Ni35NbM的焊接材料,其特征在于,按质量百分比计,由以下化学成分组成:C≤0.5%,Cr16.0~17.0%,Fe7.0~8.0%,Mn≤0.7%,Nb2.0~2.5%,Si0.8~1.0%,S≤0.015%,P≤0.015%,Ni≥...
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