含稀土的堆焊焊条及生产方法
2022-07-28
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一种含稀土的堆焊焊条,没有药皮,只有焊芯,焊芯的成分为C:3.2%~6.5%、Si:0.4%~2.5%、Mn:0.4%~2.0%、Re:0.01%~1.0%、Cr:10%~35%、Mo:0.0%~2.0%、Ni:0.0%~2.8%、W:0.0%~2.5%、V:0.0%~1.5%、Ti:0.0%~1.0%、Nb 0.0%~1.5%、Cu:0.0%~0.5%、Al:0.0%~0.6%,S≤0.08%,P≤0.08%,[O]≤0.08%,[N]≤0.08%,Fe:59.64%~85.99%,该焊条适用于烧结单辊破碎机锤头的堆焊,常温下堆焊层硬度HRC≥50,堆焊层允许有裂纹。