Zhuzhou TGC Cemented Carbide Co.,Ltd.
Zhuzhou TGC Cemented Carbide Co.,Ltd. Specialized in production of all kinds of tungsten carbide rods
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0.6 Grain Size K30-K40 Unground Carbide Rods Dia 4mm For Metal Working
Specification:
Type: Unground Carbide rods
Diameter: 4mm +0.3
Length 330mm
Application: Endmills blank/metalworking. The high hardness and T.R.S make tungsten carbide cutting tools have excellent service life compared to other materials.
Carbide Grade: K30-K40
Hardness: HRA 2-92.5
TRS 3850-4050 N/mm2
Density 14.10-14.2 g/cm3
Grain size: 0.6μm
Our regular carbide rod diameter is from 1.0 to 32mm.
Recommend application:
Ultrafine grain size, high cobalt, good hardness and toughness, used for making endmill and reamer, especially suitable for cutting steel, aluminum alloy, and titanium.
Our advantage for inground rods:
| General tolerance for the raw sintered solid carbide rods | |||||||
| Diameter | Tolerance | Length | Tolerance | Straightness | Tolerance | ||
| 0,5- 3,5 | +0,25/+0,35 | ＜100.0 | +0.5/+1.0 | 0,6-4 | 0,10 | ||
| 4,0- 6,0 | +0,25/+0,40 | 100.0-165.0 | +1.0/+2.5 | 4,5-8 | 0,12 | ||
| 6,5-12,0 | +0,30/+0,45 | 165.0-335.0 | +1.0/+6.0 | 8,5-12,0 | 0,15 | ||
| 12,5-16,0 | +0,35/+0,50 | 12,5 - 20 | 0,20 | ||||
| 16,5- 22,0 | +0,40/+0,55 | ≥20,5 | 0,24 | ||||
| 22,5-45,0 | +0,45/+0,60 | ||||||
Grades for tungsten carbide rods:
| ISO | Grain size | Cobalt | Density | Hardness | T.R.S | k1C | Applications |
| Code | μm | % | g/cm3 | HRA | N/mm2 | Mpa.m1/2 | |
| K01 | 0.5 | 3 | 15.1 | 94.5 | 2200 | - | For the cutting of the timber such as shaving board, laminated board, density board, compound material etc. |
| K10 | 0.5 | 6 | 14.8 | 94 | 3800 | 8.7 | Ultra-fine grain size, with good wear resistance, higher wear-resistant end mills, engraving tool, and high mirror polished cutting tools are recommended, suitable for processing Aluminum-magnesium alloy, composite sheet, PCB, plastic, CFRP etc. |
| K20 | 0.8 | 8 | 14.65 | 92.5 | 3200 | - | Sub-fine grain size, for drills and taps, for machining Grey cast iron, nonferrous metal, with good wear resistance. |
| K10-K20 | 0.2 | 9 | 14.45 | 94 | 4200 | 9.2 | Nano grain size, with high wear resistance and toughness, suitable for finishing of 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. |
| K40 | 0.8 | 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. |
| K40 | 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 suit for making overall drill bits. Suitable to process alloy steel, heat-resistant alloy, cast iron, non-ferrous metals, stainless steel and other materials. |
| K40-K50 | 0.4 | 12 | 14.12 | 92.5 | 4200 | 10.2 | Ultra-fine grain size, with good wear-resistant and toughness, especially suitable for finishing and processing alloy steel, aluminum alloy, titanium alloy, etc. Suitable for making end mills and reamer. |
| K40-K50 | 0.8 | 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. |