Main Grades, Properties and Uses of Cemented Carbide |
Grade |
Equivalent to ISO Group code |
Density (g/cm³) |
Bending Strength (N/mm²) |
Hardness (HRA) |
Application |
YG3 |
K01 |
15.0-15.2 |
21200 |
291 |
Suitable for finishing and semi-finishing of cast iron and non-ferrous metals. |
YG3X |
K01 |
15.1-15.4 |
≥1360 |
291.5 |
Suitable for high-speed finishing of small cutting sections of cast iron, non-ferrous metals and high-speed finishing of small cutting sections of alloy quenched steel and alloy steel. |
YG6 |
K20 |
14.6-15.0 |
≥1580 |
291 |
Suitable for semi-finishing of cast iron, non-ferrous metals and alloy non-metallic materials at medium cutting speeds. |
YG6X |
K10 |
14.7-15.1 |
21680 |
291.9 |
It is suitable for processing chilled alloy cast iron and heat-resistant alloy steel to obtain good results, and is also suitable for finishing of cast iron. |
YG8 |
K30 |
14.5-14.9 |
21840 |
290.2 |
Suitable for rough turning, rough planing and rough milling of cast iron, non-ferrous metals and their alloys, non-metallic materials with uneven surfaces and intermittent cutting drilling and enlarging of general holes and deep holes. |
YG8N |
K30 |
14.5~14.9 |
≥1840 |
290 |
Suitable for high-speed cutting of cast iron, white cast iron, ductile iron, chromium, nickel stainless steel and other alloy materials. |
YG10X |
K35 |
14.3-14.7 |
22200 |
289.5 |
Suitable for manufacturing small diameter micro drills, end mills, rotary files, etc. |
YG15 |
K40 |
13.9-14.2 |
≥2200 |
287 |
Suitable for stretching steel rods and steel pipes under high compression rates, upsetting, piercing and stamping tools working under large stress. |
YG20 |
K40 |
13.4-13.7 |
22500 |
285 |
Suitable for making stamping dies, such as stamping watch parts, musical instrument springs, etc.; Suitable for making stamping dies for battery cases and dental leather; Suitable for making stamping dies for small-sized steel balls, screws, nuts, etc. and pressure plates for hot-rolled twist drills. |
YT5 |
P30 |
12.5~13.2 |
≥1560 |
289.5 |
Suitable for rough turning, rough cutting and semi-cutting of uneven surfaces of carbon steel and alloy steel (including forgings, stampings and castings). Suitable for fine planing, rough milling, etc. |
YT14 |
P20 |
11.2~11.8 |
≥1400 |
290.5 |
Suitable for rough turning of uneven sections and continuous cutting in carbon copper and alloy steel processing, and semi-finishing and finishing turning of interrupted cutting. Turning, continuous section rough milling, drilling and rough expansion of cast holes. |
YT15 |
P10 |
11.1~11.6 |
≥1300 |
≥91 |
Suitable for semi-finishing and finishing turning of carbon steel and alloy steel during continuous cutting. Fine turning and whirlwind turning during intermittent cutting, semi-cutting on continuous surfaces. Fine milling and fine milling, rough and fine expansion of holes. |
YS25 |
P25 |
12.8~13.2 |
22000 |
291 |
Suitable for rough turning, milling and planing of carbon steel, cast steel, high strength steel, high strength steel and alloy steel. |
YS30 |
P30 |
12.6~12.9 |
≥1800 |
≥91 |
It is suitable for milling various steel materials with large cutting speed and high efficiency, especially suitable for milling and gear hobbing of alloy steel. |
W1 |
M10 |
12.7~13.5 |
21290 |
291.5 |
Suitable for processing heat-resistant copper, high manganese steel, stainless copper, etc., as well as cast iron. |
W2 |
M20 |
12.5~13.5 |
≥1460 |
290.5 |
It is suitable for processing difficult-to-machine processes such as heat-resistant steel, high manganese steel, stainless steel and alloy steel, and is also suitable for processing ordinary steel and cast iron. |
YL10.2 |
K25-K35 |
14.3-14.5 |
21610 |
290.9 |
It has good wear resistance and bending resistance, and is mainly used to produce extruded rods, small diameter micro drills, and knives for watch processing. For tools, integral reamers and other cutting tools and wear-resistant parts. |
YS2T |
M30 |
14.4-14.6 |
22200 |
291.5 |
It is an ultra-fine grained alloy, suitable for low-speed rough turning, milling of heat-resistant alloys and titanium alloys, and is especially suitable for use as cutoff cutters, taps, and saw blade milling cutters. |