一种固溶强化型耐热合金C‑HRA‑2焊接用焊 条，属于耐热合金焊接材料技术领域。由焊芯和 药皮组成，焊芯成分重量百分数为：焊芯成分重 量百分数为：C:0 .06‑0 .12％，Si＜1 .0％；Mn＜ 1 .0％，P≤0 .015％，S≤0 .001％，Cr:20‑22％， Co:10‑13％，Mo:8 .1‑8 .8％，W:0 .1‑1 .0％，N≤ 0 .002％，O≤0 .002％，余量为Ni及不可避免的杂 质元素；药皮组成为：大理石、萤石、冰晶石、碳酸 锶、电解锰、纯碱、氟铝酸盐、金属铬粉、金属钼粉。优点在于，焊接时电弧稳定、全位置操作性 好、脱渣性好、焊条不尾红、焊缝成形美观且熔敷 金属具有与母材相近的高强度、高韧性，优良的 抗裂纹敏感性。

The utility model relates to a welding rod for solid solution strengthening heat-resistant alloy C-HRA-2, which belongs to the technical field of heat-resistant alloy welding materials. It is composed of core and coating. The weight percentage of core is: C: 0.06-0.12%, Si < 1.0%; Mn ＜ 1.0%, P ≤ 0.015%, s ≤ 0.001%, Cr: 20 ― 22%, Co: 10 ― 13%, Mo: 8.1 ― 8.8%, W: 0.1 ― 1.0%, n ≤ 0.002%, O ≤ 0.002%, the residual is Ni and inevitable impurity elements; The drug skin group consisted of marble, fluorite, cryolite, strontium carbonate, electrolytic manganese, soda ash, fluoroaluminate, chromium powder and molybdenum powder. The advantages are stable arc, good all position operability, good slag removal, no red tail of welding rod, beautiful weld formation, high strength, high toughness and excellent crack resistance sensitivity of deposited metal similar to base metal.