The invention relates to a Cu-Al pipe welding joint, a preparation method and a special core rod thereof.
本发明涉及一种铜铝管焊接接头、其制备方法及专用芯棒。
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钢堆焊金属的焊条。它由低碳钢、镍或镍基合金制成的焊芯和压涂在焊芯外表面的焊条药皮构成；
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钢堆焊金属的焊条。它由低碳钢、镍或镍基合金制成的焊芯和压涂在焊芯外表面的焊条药皮构成；
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