Zhejiang Hengcheng cemented carbide Co., Ltd. is one of the earliest enterprises to develop and mass produce cemented carbide column teeth in China. It has cooperated with many famous companies at home and abroad for a long time, providing various kinds of mining drill bits, down-the-hole bits, roller bits, pick picks, road milling picks, cemented carbide column teeth for composite matrix, various shield cutters, mining bits, etc.
After years of technical accumulation and equipment optimization, the company independently developed HK series multi brand cemented carbide geological products, with an annual production capacity of 300 tons.
In various geological environments, the service life of geological and mining alloy products produced by the company has reached the international level of similar products. The company has become the fixed-point manufacturer of cemented carbide geological and mineral products of many international well-known enterprises.
The various grades for mineral cemented carbide inserts in our company can satisfy the different needs of our clients. Any special grade can be designed according to customer’s requirements too.
| 型號 Type | 尺寸（mm） Dimension（mm） | |
| D | H | |
| HQ0810 | 8.3 | 10 |
| HQ0910 | 9 | 10 |
| HQ0913 | 9 | 13 |
| HQ1010 | 10.2 | 10.5 |
| HQ1014 | 10 | 14 |
| HQ1115 | 11.3 | 15.9 |
| HQ1217 | 12 | 17 |
| HQ1220 | 12 | 20 |
| HQ1319 | 13 | 19 |
| HQ1313 | 13.12 | 13.5 |
| HQ1420 | 14 | 20 |
| HQ1517 | 15 | 17 |
| HQ1623 | 16 | 23 |
| HQ1825 | 18 | 25.5 |
| HQ2028 | 20 | 28 |
| HQ2232 | 22 | 32 |
| HQ2640 | 26 | 40 |
*可按用戶要求規格生產
Can be Customized According to Customer’ Requirements
礦用硬質合金牌號表
The Chart of Grade used in Mining Industry
牌號 Grade | 鈷含量 Cobalt Content % | 物理機械性能 Physical & mechanical properties | 推薦使用范圍
Application Recommended | ||
密度 Density g/cm3 | 硬度 Hardness HRA | 抗彎強度 TRS N/mm2 | |||
| HK05 | 6 | 14.95 | 90.5 | 2800 | 用于制造沖擊回轉鑿巖機球齒釬頭和潛孔鉆頭,適用于鑿進中硬巖層以及高磨蝕性巖層 |
| HK06 | 6 | 14.95 | 90.2 | 2900 | |
| HK07 | 6.5 | 14.90 | 89.5 | 2900 | |
| YA85 | 8 | 14.75 | 88.8 | 2800 | 用于制造要求韌性較好的沖擊回轉鑿巖機球齒釬頭及潛孔鉆頭，適用于鑿進堅硬巖層 |
| YG8K | 8 | 14.75 | 88.5 | 2700 | |
| HK09 | 9 | 14.60 | 87.5 | 2600 | |
| HK08C | 8 | 14.70 | 86.0 | 2200 | 用于制造沖擊回轉重型鑿巖機用球齒釬頭以及牙輪鉆頭，油井鉆頭和截煤齒 |
| HK10 | 10 | 14.50 | 88.3 | 3200 | |
| HK10S | 10 | 14.50 | 87.5 | 3000 | |
| HK11 | 11 | 14.40 | 87.8 | 3000 | |
| HK11C | 11 | 14.40 | 86.0 | 3700 | |
| HK13 | 13 | 14.20 | 87.5 | 3200 | |
| HK13C | 13 | 14.20 | 85.8 | 2700 | |
| HK15 | 15 | 14.00 | 85.0 | 2800 | |
| HK16 | 16 | 13.95 | 86.0 | 3000 | |
