Carbide Preforms
As a leading manufacturer of high-performance carbide solutions, Zhuzhou Kunrui Carbide Co., Ltd. specializes in delivering precision-engineered carbide preforms tailored to meet the rigorous demands of industries worldwide. With decades of expertise in tungsten carbide technology, we provide durable, wear-resistant preforms that serve as the foundation for cutting tools, mining equipment, and industrial machinery components.
Why Choose Us
Strictly QC
We have a professional QC team that follows the System of ISO9001:2015, Covering the Raw Materials Incoming, Production Processes, Finished Products, and Packaging to ensure high-quality product output.
Foreign trade market
Our product sold well in Europe Aisa Countries.
Custom
We can produce the Special Non-standard Shaped Carbide Products as per your sample or drawing.
Fast Delivery
Our streamlined production and logistics processes enable us to deliver products quickly and efficiently, meeting tight deadlines and urgent requirements.
Grade Introduction
|
Grade |
Grain Size μm | Co% |
Density g/cm3 |
Hardness HRA ≥ |
T.R.S ≥MPa |
KIC M Pa.m²2 |
Performances & Recommended applications |
|
KU20 |
0.7 |
10 |
14.45 |
91.8 |
3800 |
10.5 |
Sub-fine grain size, processing by medium speed, good general performance, drill bits, and end mills are recommended, suitable for cutting ordinary alloy steel, aluminum alloy, heat resistant alloy, cast iron, etc. |
|
KU25 |
0.4 |
12 |
14.12 |
92.5 |
4200 |
12.8 |
Ultra-fine grain size, with good wear resistance and toughness, is especially suitable for finishing and processing alloy steel, aluminum alloy, titanium alloy, etc. Suitable for making end mills and reamer. |
|
KU25T |
0.7 |
12 |
14.12 |
91.2 |
4200 |
12.8 |
Sub-fine grain size, high hot hardness, and toughness, suitable for rough machining of stainless steel, titanium alloys, and high-temperature alloys, recommended for making end mills and drill bits. |
|
KU209 |
0.2 |
9 |
14.45 |
94 |
4200 |
9.2 |
Nano grain size, with high wear resistance and toughness, is suitable for finishing hardened steel,high-precision, and high-mirror processing of graphite, plastic, CFRP, stainless steel, and aluminum alloy. Suitable for making 0.3-0.5mm drills. |
|
KU409 |
0.4 | 9 | 14.5 | 93.2 | 4000 | 9.6 |
Ultra-fine grain size, Suitable for processing hardened hard steel aluminum alloy, CFRP, high wear-resistant material stainless steel, composite graphite, PCB, and, plastic. |
| KU10 | 0.4 | 6 | 14.8 | 94.0 | 3800 | 8.7 |
Ultra-fine grain size, with good wear resistance, high wear-resistance end mills, engraving tools, and high mirror polished cutting tools are recommended, suitable for processing aluminum-magnesium alloy, composite sheet, PCB, plastic, CFRP, etc. |
| KU10C | 1.2 | 6 | 14.95 | 92.3 | 3600 | 9 |
Fine grain size, suitable for making diamond-coated tools, is an ideal matrix material for diamond-coated tools, especially suitable for processing graphite, non-ferrous metals, and composite materials. |
| KU30 | 0.7 | 15 | 13.98 | 89.6 | 4500 | 13.8 |
Sub-fine grain size, with good wear resistance and toughness, suitable for making punching of mold anti-vibration boring bar and machining low-hardness material with deep cutting tools. |
| KU30C | 1.2 | 15 | 14 | 88 | 4600 | 15 |
Fine grain size, with excellent impact resistance and good wear resistance, suitable for making wear-resistant and impact-resistant tools, stamping integral molds, especially suitable for low-speed deep cutting tools and high-efficiency cutting tools. |
| KR10Z | 0.6 | 10 | 14.45 | 92.2 | 4000 | 10.7 |
Ultra-fine grain size, excellent heat resistance, suitable for high-speed milling and drilling, especially suited for making overall drill bits.Suitable to process alloy steel, heat-resistant alloy, cast iron, non-ferrous metals, stainless steel, and other materials. |
| KR10S | 0.7 | 10 | 14.45 | 91.8 | 4000 | 10.8 |
Sub-fine grain size, very balanced physical properties, strong versatility, recommended for deep drilling, solid carbide milling cutters, drills, suitable for processing alloy steel, aluminum alloy, non-ferrous metals, heat-resistant alloys, carbon steel, cast iron, etc. |
| KR12S | 0.6 | 12 | 14.15 | 91.5 | 4200 | 12.2 |
Sub-fine grain size, with excellent impact resistance and high chipping resistance, is suitable for making milling cutters and drills, especially for rough machining and semi-finishing of stainless steel and titanium alloy. |
Types of Carbide Preformss Available
t-shape End Mills Blanks
Ground Milling Cutter Blanks With Axial Coolant Hole And Lateral Exits
combined Drill And Countersink Blanks
Other carbide preforms
Such as ground drill blank with point, slot and helical coolant holes(30°/40°), ground ball nose endmill blanks, or customs by drawing.
Applications
Wear parts
Carbide preforms are fabricated into parts exposed to high wear, such as liners, plates, and blades in conveyor systems and crushers.
Oil and gas industry
Carbide preforms are valued for making components, including valves and seals. These components must withstand chemical exposure and extreme temperatures.
Industrial machinery
Carbide preforms are applied in several parts of industrial machinery that need to be durable and wear-resistant. Common applications are inserts, punches, and dies.
Tools
Carbide preforms are commonly applied to make cutting tools such as end mills, and drill bits.
Package
Our Certificates
We're professional customized carbide products manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade customized carbide products for sale here and get quotation from our factory. Good service and low price are available.
Tungsten Carbide Round Bar, Tungsten Carbide Rod, H6 Carbide Rod