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Grade of Cemented Carbide for Machining Cutters

Grade

Density

Hardness

TRS

Main Application

YG3

15.1

91.0

1600

Finish turning and semi-finish turning during continuous cutting of cast iron, non-ferrous metal and alloy thereof and nonmetal material.

YG3X

15.0

91.5

1500

Finish machining of cast iron and non-ferrous metal.

YG6

14.9

90.0

2000

Semifinishing of cast iron and non-ferrous metal.

YG6X

14.9

91.0

1900

Processing of chilled cast iron and heat-resisting alloy steel.

YG6A

14.85

91.5

1800

Processing of chilled cast iron, non-ferrous metal, high manganese steel, chilled steel and alloy steel.

YG8

14.7

89.5

2100

Rough machining of cast iron, non-ferrous metal and alloy thereof.

JN8

14.7

90.5

2100

Rough machining and semifinishing of cast iron, non-ferrous metal and alloy thereof.

YT15

11.25

91.5

1600

Semi-finish turning of steel and cast steel.

YT14

11.4

91.0

1750

Semi-finish turning of steel and cast steel.

YT5

12.9

89.5

2000

Rough machining of steel and cast steel.

YW1

13.0

91.5

1650

Semifinishing and finish machining of steel, low alloy steel and cast steel.

YW2

12.9

90.5

1800

Semifinishing of steel, low alloy steel and cast steel.

JN66

13.0

92.0

1750

Semifinishing and finish machining of alloy steel and high-strength steel.

JN818

12.5

91.3

1900

Semifinishing and finish machining of steel, low alloy steel and cast steel.

Grade of Cemented Carbide for Mining Tools

Grade

Density

Hardness

TRS 

Main Applications

YG4C

15.00

89.5

1800

Mainly applied to ball teeth of small drill hammer and rotatable exploration drilling tool alloy pieces and can drill incompetent bed and medium ground.

YG8

14.70

88.5

2200

Mainly applied to drill rod of small percussion drill and rotatable exploration drilling tool alloy pieces and can drill incompetent bed and medium ground.

YG8C

14.70

88.0

2300

Mainly applied to drill rod of small percussion drill and rotatable exploration drilling tool alloy pieces and can drill incompetent bed stratum and medium-hard stratum.

YG9C

14.50

87.0

2400

Mainly applied to drill rod for percussion rotary jackdrill, teeth of coal cutting machine and petroleum drill head and can drill medium-hard and hard bed stratum.

YG9.2

14.30

87.5

2350

Mainly applied to drill rod for percussion rotary jackdrill, teeth of coal cutting machine and can drill medium-hard bed stratum.

YG11C

14.40

86.5

2450

Mainly applied to drill bit of heavy jackdrill, percussion rotary jackdrill, teeth of coal cutting machine and petroleum drill head and can drill medium-hard and hard bed stratum.

YG13C

14.30

86.0

2500

Mainly applied to drill rod of petroleum rotary drill,
percussion rotary jackdrill and heavy jackdrill and can drill medium-hard and hard jackdrill.

YG15

14.00

86.5

2550

High strength, mainly applied to drill bit for percussion rotary jackdrill and heavy jackdrill and can drill hard bed stratum and extremely hard bed stratum.

JK15

14.10

85.0

2600

Extremely high strength and comparatively low abrasive resistance. Applied to drill bit for percussion rotary jackdrill and heavy jackdrill and can drill hard and extremely hard bed stratum.

JK13

14.30

86.0

2550

Comparatively high strength, applied to manufacture of petroleum rotary drill, drill bit for percussion rotary jackdrill and heavy jackdrill and can drill hard and medium-hard bed stratum.

JK1

14.45

86.7

2500

Comparatively high toughness, excellent abrasive resistance and excellent general properties of alloy. Applied to drill bit of percussion rotary jackdrill and heavy jackdrill and can drill medium-hard and hard bed stratum.

JK2

14.55

87.0

2450

Excellent toughness and abrasive resistance, good comprehensive usability of alloy, particularly suitable for drill bit for percussion rotary jackdrill and teeth of coal cutting machine and can drill medium-hard and hard bed stratum.

JK2.5

14.60

87.3

2450

Excellent toughness and abrasive resistance, good comprehensive usability of alloy, particularly suitable for cutting teeth for gravity coal mining machine and can drill medium-hard and hard bed stratum.

JK3

14.70

87.7

2400

Excellent abrasive resistance and good toughness, applied to various column tooth drill bits and anchor rod drilling pieces, and can drill medium-hard bed stratum.

JK4

14.80

88.2

2350

Comparatively good abrasive resistance, applied to various column tooth bits and anchor rod drilling pieces, and can drill incompetent bed stratum and medium-hard bed stratum.

DS25-10

14.30

87.5

2500

Mainly applied to percussion drill bit and cutting teeth for coal mining machine and can drill medium-hard bed stratum and hard bed stratum.

DS30

14.85

89.5

2200

Good abrasive resistance, mainly applied to small percussion drill and anchor rod drilling piece and can drill incompetent bed stratum and medium-hard bed stratum.

DS30-08

14.70

88.0

2350

Comparatively good toughness, used for small percussion drill rod and alloy piece of rotary exploration drill, and can drill incompetent bed stratum and medium-hard bed stratum.

Grade of Superfine-particle Cemented Carbide

Grade

Density

Hardness

TRS

Main Applications

JF06

14.90-15.10

≥92.0

≥3600

Drilling, milling and hinging of cast iron and non-ferrous metal and hole and slot finish machining of printed circuit board.

JF08

14.70-14.90

≥91.5

≥3800

Cutter and wood cutter of printed circuit board.

JF10

14.45-14.65

≥91.3

≥4000

Drilling and milling of cast iron and non-ferrous metal under high impact and hole and slot processing of printed circuit board.

JF06A

14.90-15.20

≥92.2

≥3500

Drilling and milling of steel and materials hard to process.

JU06

14.70-14.90

≥93.0

≥3600

Drilling, milling and hinging of cast iron and on-ferrous metal and hole and slot processing of printed circuit board and wood cutter.

JU10

14.20-14.40

≥92.0

≥4000

Manufacture of various whole hard alloy tools, processing of heat-resisting alloy and manufacture of microdrill for processing PCB.