| Grade |
WC (um) |
Co (%) |
Density (g/cm³) |
Hardness (HRa) |
Bending Strength (kg f/mm2) |
Impact Strength (kgf-m/cm2) |
Recommend Application |
| CR06 |
<0.6 |
6 |
14.7 |
94.0 |
360 |
0.20 |
Grade with good wear resistance and toughness, suitable for making wire drawing dies, tube drawing dies, powder metallurgy molds, wear-resistant molds, etc. |
| CR1 |
1-2 |
5.5 |
14.85 |
92.0 |
300 |
0.30 |
| CR2 |
1-3 |
6.5 |
14.85 |
91.0 |
320 |
0.40 |
| CR3 |
2-3 |
9 |
14.6 |
89.0 |
320 |
0.55 |
| CR5 |
2-3 |
12 |
14.3 |
88.0 |
330 |
0.65 |
Ideal for producing wear- and impact-resistant dies, screw dies, high-strength constraint dies, cold extrusion dies, powder metallurgy dies, etc. |
| CR6 |
2-3 |
14 |
14.1 |
87.0 |
320 |
0.75 |
| CT1 |
3-6 |
20 |
13.38 |
84.8 |
280 |
0.89 |
Suitable for manufacturing nut dies, screw dies, cold extrusion dies, six-split dies, and stainless steel screw/bolt dies. |
| CT6 |
3-6 |
15 |
13.8 |
86.0 |
300 |
0.80 |
Suitable for manufacturing cold extrusion dies and stainless steel screw dies |
| CT7 |
2-6 |
20 |
13.4 |
85.3 |
290 |
0.88 |
Suitable for manufacturing nut dies, screw dies, cold extrusion dies, six-split dies, and stainless steel screw/bolt dies. |
| CR70 |
3-6 |
15 |
14 |
85.0 |
280 |
0.75 |
Suitable for manufacturing impact-resistant dies, screw dies, etc. |
| CR80 |
3-6 |
20 |
13.5 |
84.5 |
280 |
0.85 |
Suitable for manufacturing screw dies, nut dies, six-split dies, etc. |
| CR90 |
6-9 |
22 |
13.35 |
82.5 |
250 |
0.95 |
Suitable for Manufacturing Screw Dies, Nut Dies, and Wire-Cutting Dies |
| CR95 |
6-9 |
25 |
13.1 |
81.5 |
240 |
1.00 |
Suitable for Manufacturing High-Impact Forging Dies, Nut Dies, and Flange Nut Dies |
| CN9 |
1.0 |
9(Ni) |
14.5 |
90.0 |
290 |
0.45 |
Non-Magnetic Grades for manufacturing Powder Metallurgy Molds and Forming Dies |
| CN18 |
3-6 |
18(Ni) |
13.5 |
83.0 |
240 |
0.65 |
Tungsten Carbide Cold Heading Dies:
Specifications
Material Grades:
G30/G40 (ISO-certified for standard nuts)
YG6/YG8/YG15 (custom cobalt content for varying hardness/toughness ratios)
Dimensions:
Diameter: 3-25 mm (standard) | Customizable up to 100mm
Surface finish: Polished for reduced friction (Ra ≤0.4 μm)
Certifications: ISO 9001
Key Features
Material Performance
Hardness: ≥93 HRA, optimized for high-cycle cold forging of titanium, stainless steel, and aluminum alloys
Wear resistance: 3-5x lifespan vs. tool steel dies in bolt/nut forming
Design Flexibility
Supports OEM geometries (fluted, stepped, multi-cavity)
Tolerance: ±0.02 mm for precision automotive half-shaft molding
Thermal Stability
Maintains dimensional integrity at 600-800°C (hot forging variants)
Applications
Fastener Production: Standard nuts, bolts, and automotive screws
Aerospace Components: Titanium rivets and alloy fittings
Electronics: Precision contacts and connector pins
Supplier Services
Quality Assurance:
100% pre-shipment inspection with TRS test reports
6-12 month warranty against material defects
Logistics:
Global shipping (7-10 days for stock items)
Free samples with freight cost negotiation
Why Choose Our TC Dies?
Advanced Powder Metallurgy: HIP-processed for 99.95% theoretical density
Consistent Quality: Full traceability from raw WC/Co powders to final inspection
Technical support: free application analysis for optimal grade selection.
Rapid prototyping: 5-7 days for custom samples.
Located in the "Tungsten Capital of the world" (Ganzhou city, Jiangxi Province), Ganzhou Chenghe Metal Co., Ltd. specializes in manufacturing and sales of high performance cemented carbide and other tungsten products.
The company was founded by a team of 15+ years of experience of manufacturing and sales of tungsten related products and all the team members have in-depth understanding of the market and needs of the customers. Benefiting from the abundant tungsten concentrate resources and long metallurgy history in Ganzhou, The company applies cutting-edge technology and uses state-of-art equipments and facilities in production and provides high quality products with favourable prices.
The company obtained a complete supply chain from APT to Cemented Carbide and Tools eventually. The company' s product range includes:
1. Tungsten Powders: APT, AMT, Tungsten Acid, Tungsten Oxide ,Tungsten Metal Powder, Tungsten Carbide Powder and Ready to Press Powder etc.
2. Standard Cemented Carbide Blanks and Grounded (Rod, Plate, Strip, Die, Button, Burr and Cutting Tools)
3. Customized Cemented Carbide
4. Pure Tungsten Products (Bar, Wire and Filament)
5. Other related products (Ferro Tungsten Lumps/Powder, Ferro Molybdenum Lumps / Powder)
The company is committed to fully exploring the value of resources, sustainable development, providing high-quality and competitive products to the market, solving customer pain points, and looking forward to establishing long-term win-win cooperation relationships with customers all over the world.
Question 1: Are you a factory or a trading company?
Answer: We are a factory and also maintain good relationship with domestic peers. Feel free to ask if you have special requirements.
Question 2: Where is your factory located? How can I visit there?
Answer: Our factory is located in Ganzhou. There are direct flights from Beijing/Shanghai/Shenzhen/Xiamen/Chengdu to Ganzhou. We are more than happy to show you around.
Question 3: How does your factory do regarding quality control?
Answer: Quality always comes first. We always attach great importance to quality control in raw materials as well as the final products. 100% inspection before shipment is guaranteed.
Question 4: Do you have inventory?
Answer: Yes, we do. We maintain sufficient inventory of regular/standard products to enable a swift lead time.
Question 5: Normally how long does it to take to get the products?
Answer: Within 7-10 days for those in stock. For customized products, the delivery time depends on the quantity and complexity of the products.
Question 6: What are typical payment terms?
Answer: Normally T/T, but negotiable if you have special requirements.
Question 7: Can you produce as per my requirements?
Answer: Yes, OEM/ODM services are available. Your drawings/ designs are always appreciated.
Question 8: Can I get a free sample before order?
Answer: Yes , we are able to provide small sample for pre-test. However, transportation fee might be chargedm.
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