Hunan Renowned Trademark: Tongyi brand
ISO 9001:2008 certificate
excellent quality and reasonable price
fastly delivery
we are a professional manufacturer of carbide brazed tips,in addition,our company mainly produces all kinds of tungsten carbide solid tubes, strips, mining tools, drawing dies, cutting tool tips, and various non-standard tungsten carbide, drills, carve drills, tool drills etc. These products are sold to all the world such as Europe Japan USA and domestic market,all the products are manufactured by advanced processes and equipments and superior raw materials.
our advantages:
1. We have a few senior engineers who specializes in tungsten carbide field for many decades.we can select appropriate grade and composition according to your application and your requirements.
2. for your non-standard parts,we have strong ability to make mold by ourselves,and produce them per your requirements.
3. we have strict quality control and assurance system to guarantee the consistent quality.
Grade | Equal to ISO Category Number | Performance |
uses | ||
Density | Bend Strength | Hardness | |||
G/Cm3 | N/mm2 | HRA | |||
YK25 | K40 | 14-.3-14.6 | ≥2100 | ≥86.5 | Qualified for molding the drills for heavy-duty rock drill: detachable bits used for deep hole drilling, rock drill trolley etc. |
YG11C | K40 | 14.0--14.4 | ≥2060 | ≥86.0 | |
YG15 | K40 | 13.9-14.1 | ≥2020 | ≥86.5 | Qualified for hard rock drilling, steel bars with high compression ratios, pipe drawing, punching tools, core cabinet of powder metallurgy automatic molders etc. |
YG16C |
| 13.7-14.1 | ≥2400 | ≥84.0 | Forging dies with impact resistance, hot dies etc. |
YG20 |
| 13.4-14.8 | ≥2480 | ≥83.5 | Qualified for making dies with low impact such as punching watch parts, battery shells, small screw caps etc. |
YG20C |
| 13.4-14.8 | ≥2480 | ≥82.5 | Qualified for making moulds of cold heading, cold stamping and cold pressing used for manufacturing standard parts, bearings etc. |
