• The invention relates to a Cu-Al pipe welding joint, a preparation method and a special core rod thereof.

    发明涉及一种铜铝焊接接头制备方法专用芯棒。

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  • The welding rod capable of forming pile-up welded graphite-steel metal consists of welding rod core of low-carbon steel and nickel or nickel-base alloy and coating outside the welding rod core.

    本发明公开了一种可通过焊接形成石墨堆焊金属焊条。它低碳钢、合金制成的焊在焊芯外表面的焊条药皮构成;

    youdao

  • The welding rod capable of forming pile-up welded graphite-steel metal consists of welding rod core of low-carbon steel and nickel or nickel-base alloy and coating outside the welding rod core.

    本发明公开了一种可通过焊接形成石墨堆焊金属焊条。它低碳钢、合金制成的焊在焊芯外表面的焊条药皮构成;

    youdao

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