D856-9A高鉻合金堆焊焊條修復(fù)油田鉆頭堆焊焊絲 藥芯耐磨焊絲D856-9A高鉻合金堆焊焊條修復(fù)油田鉆頭堆焊焊絲 藥芯耐磨焊絲D856-9A高鉻合金堆焊焊條修復(fù)油田鉆頭堆焊焊絲 藥芯耐磨焊絲D856-9A高鉻合金堆焊焊條修復(fù)油田鉆頭堆焊焊絲 藥芯耐磨焊絲D856-9A高鉻合金堆焊焊條修復(fù)油田鉆頭堆焊焊絲 藥芯耐磨焊絲
D856-9A高溫耐磨焊條
用途:石油鉆具專用焊條。如泵的套筒和旋轉(zhuǎn)密封環(huán)、磨損面板、螺旋送料機(jī)及油田鉆頭的堆焊。
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