清河县华意合金焊业有限公司

Z508是镍铜合金（蒙乃尔）焊芯，强还原性石墨药皮的铸铁焊条。其工艺性能及切削加工性能都接近Z308，但由于收缩率较大，抗裂性较差。焊接接头强度较低，所以不宜用于受力部位的焊接，可用于常温或低温预热（至300℃左右）的灰口铸铁的焊接。交直流两用。用途：用于强度要求不高的灰口铸件的焊补

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