Coal drill bits Various sizes coal mining pick tungsten carbide bit, tungsten carbide mining
Gradeandperformanceforminingtools GradeISOGrade WC%CO%grainsize（μm）g/cm³ applicationsRecommendedHRAHRCHVN/mm²HK80K30928214.789.575.11370≥3000Suitableforprecussiondrilling,rotaryprespectingbitstocu
Key words:
hard metal
Classification:
Coal drilling bits
- 产品描述
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- Commodity name: Coal drill bits Various sizes coal mining pick tungsten carbide bit, tungsten carbide mining
- Commodity ID: 1310963894138327040
Gradeandperformanceforminingtools GradeISOGrade WC%CO%grainsize（μm）g/cm³ applicationsRecommendedHRAHRCHVN/mm²HK80K30928214.789.575.11370≥3000Suitableforprecussiondrilling,rotaryprespectingbitstocu
Grade and performance for mining tools
Grade
ISO Grade
WC% CO% grain size（μm）
g/cm³
applications Recommended
HRA HRC HV N/mm² HK80 K30 92 8 2 14.7 89.5 75.1 1370 ≥3000 Suitable for precussion drilling,rotary prespecting bits to cut soft and medium hard formations. HK85 K30 91 9 2 14.6 89 74.2 1330 ≥3100 Suitable for button mining tools,rotary prespecting bits to cut soft and medium hard formations. HK95 K30 90 10 2 14.5 88.5 73 1250 ≥3200 Suitable for medium hard drilling bits,also used for hard wood,non-ferrous metal,granite and marble. HK110 K40 89 11 2 14.4 88 72.2 1200 ≥3300 Mainly for the buttons of tricone bits and inserts of rotary percussions bits to cut hard and very hard formations. HK130 K40 87 13 2 14.2 86.5 69.5 1060 ≥3500 Mainly for the buttons of tricone bits and inserts of rotary percussions bits to cut hard and very hard formations. HK160 K40 84 16 2.4 14 85 66.6 950 ≥3800 For oil cone drill bits,also used for coal,oil cone drill bits,also used for coal,oil field tools,and diamond drill bit matrix.
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