YC-YD252(Q)高硬度耐冲击耐磨芯焊丝

YC-YD252(Q) 0.20-0.80 ≤0.03 ≤0.03 Cr 4.00-7.00 Mo0.50-2.00 ≥50 DC(+) 1.2/1.6/2.0 CO2 常温高硬度 堆焊，用于高强度耐磨损零件

水泥辊，耐磨复合板的堆焊 YC-YD450(Q)0.15-0.30 ≤0.03≤0.03Cr11.0-15.0≥45DC(+)1.2/1.6/2.0CO2轴及蒸汽阀门的堆焊 YC-YD507Mo(Q)≤0.20≤0.50≤1.75 Cr9.00-14.00 Mo≤1.00≥37DC(+)1.2/1.6/2.0CO2中、高温阀门堆焊 YC-YD507MoNb(Q)≤0.15 ≤0.03≤0.04Cr 10.0-16.0 Mo ≤2.50 V≤ 0.5034-40DC(+)1.2/1.6/2.0CO2中、低压阀门密封面的焊接