高硫堆焊
High-sulfur surfacing welding
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夹送辊堆焊时,由于母材的硫、磷含量较高及堆焊材料含碳量高、硬度大,常常产生热裂纹。
Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.
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