FIELD: metallurgy.
SUBSTANCE: invention concerns powder metallurgy. Particularly, it concerns cemented-sintered carbide, possessed of resistance to erosion and corrosion synergic effect at temperature between -50°C and 300°C, preferentially at 0-100°C. Can be used for manufacturing of details for pressure control and product stream, recovered from wellsite. Cemented carbide contains, mass %: (Co+Ni) 8-12; Cr 1-2; Mo 0.1-0.3; WC - the rest, at weight relation Co/Ni - 0.25-4.0. Essentially all WC grains are of dimension less than 1 micrometer and content of magnetic cobalt is 80-90% of chemically stipulated content.
EFFECT: receiving of cemented-sintered carbide, possessed of resistance to erosion and corrosion synergic effect.
6 cl, 3 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| FACILITATED CEMENTED CARBIDE FOR CONTACT WITH COMPONENTS FLOW | 2015 |
|
RU2675432C1 |
| CORROSION-RESISTANT CEMENTED CARBIDE FOR OPERATION WITH FLUIDS | 2015 |
|
RU2689456C2 |
| INSERT FOR DRILLING TOOL | 2019 |
|
RU2781827C2 |
| MALE DIE FOR COLD FORMING | 2007 |
|
RU2451571C2 |
| MALE DIE FROM CEMENTED CARBIDE | 2011 |
|
RU2563073C2 |
| DRILLING BIT INSERT | 2017 |
|
RU2746537C2 |
| HARD ALLOY BODY | 2010 |
|
RU2521937C2 |
| CONE DRILLING BIT | 2016 |
|
RU2719867C2 |
| CEMENTED CARBIDE | 2011 |
|
RU2559116C2 |
| COMPOSITE INSERTS WITH POLYCRYSTALLINE DIAMONDS | 2010 |
|
RU2503522C2 |
