Audited Supplier
Main Details:
1.Excellent Hardness: 86~93 HRA, which equal to 68~81HRC;
2.Excellent Hot Working Performance: Hardness could be remained at 60 HRC under 900~1000 ºC;
3.Resistance Wear: Some grades can outwear hardened steel by over 100 times
4.Resistance Corrosion: Grades with Nickel and Chromium binders are very resistant to acidic solutions
Our Grade for Choose:
| ISO Code | Grade | Density | Hardness | Bend strength | Grain size | Application |
| K20 | YG6 | 14.85 | 90.5 | 3000 | Middle | Suitable for drilling medium hard & hard rock formations , also used for making carbide inserts of other dril bits. |
| K30 | YG8 | 14.7 | 89.7 | 3000 | Middle | |
| K20 | YG4C | 15 | 89.5 | 3000 | Coarse | Suitable for light-duty electrical drill bits for drilling soft rock,coal formations and frill bits for drilling un-silicated rock formations. |
| K20 | JK05 | 15 | 90.2 | 2700 | Coarse | Mainly used for making medium and small sized cemented carbide buttons of tricone bits and other drilling bits for drilling soft&medium hard rock formations, also used for |
| K20 | YK05 | 14.9 | 90.1 | 3000 | Coarse | |
| K20 | YK06 | 14.9 | 91 | 3000 | Coarse | Mainly used for making medium and small sized cemented carbide buttons of tricone bits and other drilling bits for drilling soft&medium hard rock formations, also used for making carbide inserts of other dril bits. |
| K30 | YG8C | 14.75 | 89 | 3000 | Coarse | Mainly used for making cemented carbide buttons of tricone bits and other drilling bits for drilling medium hard & hard rock formations , also used for making carbide inserts of other dril bits |
| K30 | YK08 | 14.7 | 89 | 2900 | Coarse | |
| K30 | YK09 | 14.5 | 88 | 2700 | Coarse | |
| K40 | YK10 | 14.45 | 88.5 | 3300 | Middle | Suitable for carbide inserts of heavy-duty rock drilling tools for drilling hard and super hard rock formations , also used for making tricone bits and other dril bits |
| K40 | YK20 | 14.20 | 87 | 3200 | Coarse | |
| K40 | YK25 | 14.45 | 87 | 3000 | Coarse | |
| K40 | YG11C | 14.40 | 87.5 | 3000 | Coarse | Suitable for carbide inserts of heavy-duty rock drilling bools and DTH drilling bits for drilling hard and super hard rock formations,also used for other cemented carbde buttons bits |
| K40 | YG13C | 14.20 | 86 | 3000 | Coarse |
Our Packing:
Our Quality and Equipment Show
ZHUZHOU JINGGONG's Advantages in Carbide Industry:
1"Quality is our culture" 100% virgin material and 100% replacement if any recycling material.independent
quality testing center, Advanced testing equipment, 100% QC inspection Before Shipment.
2 "With us your money is safe" full refund in case of bad quality.
3 All products Certificated by RoHS,ISO 9001:2008,ISO 14001:2004.
4 Strong research Team is leaded by Doctors and Professors. We honored 8 Invention Patents, 18 practical performance patents, 13 appearance patents.
5 High-performance material is available once required.
Your Senior Consultant : Enya.lee
Mob:+86-15173277798 Tel: +86-731-22896701
Fax: +86-73122896778 Instagram: enyalee666
jgcarbide.en.made-in-china.com
