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急急急,不銹鋼螺栓如何去油污? |
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點(diǎn)評(píng)
絕對(duì)不是SUS304,304我們公司是常用材料,從沒見過這種現(xiàn)象,你拿材料去掃描一下成份,看看NI和CR的成份是多少。304是06Cr19Ni10,就算它用老國(guó)標(biāo)來冶煉也不會(huì)變紅的。可能是2系列的節(jié)鎳不銹鐵。
應(yīng)該是 2字頭的不銹鋼吧
評(píng)分
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