Our company's Cemented Carbide Grades and Applications

1.Carbide Grade—YG6A Density g/cm3: 14.6-15.0 Bending strength not less than N/cm2: 1370 Hardness not less than HRA: 91.5

Common uses: Suitable for semi-finishing of hard cast iron, non-ferrous metals and their alloys, and also suitable for semi-finishing and finishing of high manganese steel, hardened steel and alloy steel. Equivalent to ISO: K05

2.Carbide Grade—YG6X Density g/cm3: 14.6-15.0 Bending strength not less than N/cm2: 1420 Hardness not less than HRA: 91

Common uses: It has been proven in production that this alloy can achieve good results in machining cold alloy cast iron and heat-resistant alloy steel, and is also suitable for finishing of ordinary cast iron. Equivalent to ISO: K10

3.Carbide Grade—YK15 Density g/cm3: 14.2-14.6 Bending strength not less than N/cm2: 2100 Hardness not less than HRA: 91

Common uses: Suitable for machining integral alloy drills, milling, reaming and other tools. Has high wear resistance and toughness. Equivalent to ISO: K20

4.Carbide Grade—YG6 Density g/cm3: 14.5-14.9 Bending strength not less than N/cm2: 1380 Hardness not less than HRA: 89

Common uses: Suitable for semi-finishing machining of cast iron, non-ferrous metals and alloy non-metallic materials at medium cutting speeds. Equivalent to ISO: K20

5.Carbide Grade—YG6X-1 Density g/cm3: 14.6-15.0 Bending strength not less than N/cm2: 1500 Hardness not less than HRA: 90

Common uses: Suitable for cast iron, non-ferrous metals and their alloy non-metallic materials during continuous cutting, semi-finishing and finishing turning during intermittent cutting, small section finishing, rough threading, semi-finishing and finishing milling of continuous sections, rough and fine expansion of holes. Equivalent to ISO: K20

6.Carbide Grade—YG8N Density g/cm3: 14.5-14.8 Bending strength not less than N/cm2: 2000 Hardness not less than HRA: 90

Common uses: Suitable for high-speed cutting of cast iron, white cast iron, ductile iron, chromium, nickel, stainless steel and other alloy materials. Equivalent to ISO: K30

7.Carbide Grade—YG8 Density g/cm3: 14.5-14.9 Bending strength not less than N/cm2: 1600 Hardness not less than HRA: 89.5

Common uses: Suitable for rough turning, planing and milling of uneven sections and intermittent cutting in the processing of cast iron, non-ferrous metals and their alloys and non-metallic materials, drilling and expanding of general holes and deep holes. Equivalent to ISO: K30

Pump and valve parts made of tungsten steel （YG8/YG6）

8.Carbide Grade—YG10X Density g/cm3: 14.3-14.7 Bending strength not less than N/cm2: 2200 Hardness not less than HRA: 89.5

Common uses: Suitable for manufacturing fine-diameter micro drills, end mills, rotary files, etc. Equivalent to ISO: K35

9.Carbide Grade—YS2T Density g/cm3: 14.4-14.6 Bending strength not less than N/cm2: 2200 Hardness not less than HRA: 91.5

Common uses: It is an ultra-fine grain alloy, suitable for low-speed rough turning, milling of heat-resistant alloys and titanium alloys, and is particularly suitable for use as a cutter, tap, saw blade milling cutter. Equivalent to ISO: K30

10. Carbide Grade— YL10.1 Density g/cm3: 14.9 Bending strength not less than N/cm2: 1900 Hardness not less than HRA: 91.5

Common uses: Has good wear resistance and bending strength.

11.Carbide Grade—YL10.2 Density g/cm3: 14.5 Bending strength not less than N/cm2: 2200 Hardness not less than HRA: 91.5

Common Uses: Has good wear resistance and bending strength.

12.Carbide Grade—YG15 Density g/cm3: 13.9-14.2 Bending strength not less than N/cm2: 2100 Hardness not less than HRA: 87

Common Uses: Suitable for stretching steel bars and steel tubes under high compression rates, forging, piercing and stamping tools working under high stress.

13.Carbide Grade—YG20 Density g/cm3: 13.4-13.7 Bending strength not less than N/cm2: 2500 Hardness not less than HRA: 85

Common uses: Suitable for making stamping dies, such as stamping watch parts, musical instrument spring sheets, etc.; molds for punching battery cases and toothpaste tubes; stamping dies for small-sized steel balls, screws, nuts, etc.; pressing plates for hot-rolled twist drill bits.

14.Carbide Grade—TG20C Density g/cm3: 13.4-13.7 Bending strength not less than N/cm2: 2200 Hardness not less than HRA: 82

Common uses: Suitable for making cold heading, cold punching and cold pressing dies for standard parts, bearings, tools and other industries; stamping dies for bullets to shells.

15.Carbide Grade—YT15 Density g/cm3: 11.0-11.7 Bending strength not less than N/cm2: 1150 Hardness not less than HRA: 91

Common uses: Applicable to the processing of carbon steel and alloy steel, rough turning, semi-finishing turning and finishing turning during continuous cutting, finishing turning of small sections during intermittent cutting, semi-finishing and finishing milling of continuous surfaces, rough and fine expansion of holes. Equivalent to ISO: P10

16.Carbide Grade—YT14 Density g/cm3: 11.2-12.0 Bending strength not less than N/cm2: 1270 Hardness not less than HRA: 90.5

Common uses: Suitable for rough turning of uneven sections and continuous cutting, semi-finishing and finishing turning of intermittent cutting, rough milling of continuous sections, and expansion drilling and rough expansion of cast holes in carbon steel and alloy steel processing. Equivalent to ISO: P20

17.Carbide Grade—YT5 Density g/cm3: 12.5-13.2 Bending strength not less than N/cm2: 1430 Hardness not less than HRA: 89.5

Common uses: Suitable for rough turning, rough planing, semi-fine planing, rough milling and drilling of non-continuous surfaces of carbon steel and alloy steel (including steel forgings, stampings and castings). Equivalent to ISO: P30

18.Carbide Grade—YS25 Density g/cm3: 12.8-13.2 Bending strength not less than N/cm2: 2000 Hardness not less than HRA: 91

ISO equivalent: P20 P40

19.Carbide Grade—YS30 Density g/cm3: 12.45 Bending strength not less than N/cm2: 1800 Hardness not less than HRA: 91

Common uses: It is an ultra-fine particle alloy, suitable for high-efficiency milling of various steel materials, especially alloy steel. Equivalent to ISO: P25 P30

20.Carbide Grade—YG3X Density g/cm3: 14.6-15.2 Bending strength not less than N/cm2: 1320 Hardness not less than HRA: 92

Common uses: Suitable for high-speed finishing of small cutting sections of cast iron, non-ferrous metals and alloy hardened steel. Equivalent to ISO: K01