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| 镍铬铁系耐蚀合金 | |||
| 阿罗伊科铁镍铬系耐蚀合金 (Aloyco 20： 19 ~ 21Cr, 28 ~ 30Ni, 4.0 ~ 4.5Cu, 2.5 ~ 3.0Mo, < 1.5Si, 0.65 ~ 0.85Mn, <0.07C, 余量 Fe) | |||
| 阿罗伊科铁镍铬系耐蚀合金 | |||
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