Medium-chromium wear-resistant lining board
A wear-resistant lining, weight percentage technology, applied in the field of wear-resistant linings, can solve the problems of high cost of composite ceramic grids, reduce the lifting height of the grinding body, etc. Effect
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[0028] Example 1:
[0029] A medium chromium wear-resistant liner, the components and their weight percentages are: C: 0.7%, Mn: 0.68%, Si: 0.75%, Cr: 5.9%, Mo: 0.65%, B: 0.045%, Cu: 0.1 %, P: 0.004%, Re: 0.06%; the balance is Fe.
[0030] The preparation method of medium chromium wear-resistant liner includes the following steps:
[0031] (1) Preparation of sand mold;
[0032] (2) Raw materials are smelted. After the raw materials are melted, cover the liquid surface with pearl sand; add ferromanganese when the temperature is 1562 degrees Celsius; add ferrosilicon when the temperature is 1573 degrees Celsius, and then add medium chromium steel to balance the content of C and Cr; At temperature, adding ferromanganese and ferrosilicon to facilitate slag removal, deoxidation, desulfurization and dephosphorization;
[0033] (3) Add Re for deterioration treatment;
[0034] (4) Add ladle covering agent;
[0035] (5) For casting, the temperature is 1485 degrees Celsius;
[0036] (6) Quenching ...
Example Embodiment
[0043] Example 2:
[0044] A medium chromium wear-resistant liner, the components and their weight percentages are: C: 0.65%, Mn: 0.8%, Si: 0.6%, Cr: 6.2%, Mo: 0.6%, B: 0.05%, Cu: 0.1 %, P: 0.01%, Re: 0.1%; the balance is Fe.
[0045] The preparation method of medium chromium wear-resistant liner includes the following steps:
[0046] (1) Preparation of sand mold;
[0047] (2) Raw materials are smelted. After the raw materials are melted, cover the liquid surface with pearl sand; add ferromanganese when the temperature is 1560 degrees Celsius; add ferrosilicon when the temperature is 1575 degrees Celsius, and then add medium chromium steel to balance the content of C and Cr; At temperature, adding ferromanganese and ferrosilicon to facilitate slag removal, deoxidation, desulfurization and dephosphorization;
[0048] (3) Add Re for deterioration treatment;
[0049] (4) Add ladle covering agent;
[0050] (5) For casting, the temperature is 1480 degrees Celsius;
[0051] (6) Quenching treat...
Example Embodiment
[0053] Example 3:
[0054] A medium chromium wear-resistant liner, the components and their weight percentages are: C: 0.8%, Mn: 0.6%, Si: 0.8%, Cr: 5.6%, Mo: 0.7%, B: 0.03%, Cu: 0.2 %, P: 0.01%, Re: 0.02%; the balance is Fe.
[0055] The preparation method of medium chromium wear-resistant liner includes the following steps:
[0056] (1) Preparation of sand mold;
[0057] (2) Raw materials are smelted. After the raw materials are melted, cover the liquid surface with pearl sand; add ferromanganese when the temperature is 1565 degrees Celsius; add ferrosilicon when the temperature is 1570 degrees Celsius, and then add medium chromium steel to balance the content of C and Cr; At temperature, adding ferromanganese and ferrosilicon to facilitate slag removal, deoxidation, desulfurization and dephosphorization;
[0058] (3) Add Re for deterioration treatment;
[0059] (4) Add ladle covering agent;
[0060] (5) For casting, the temperature is 1500 degrees Celsius;
[0061] (6) Quenching treat...
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