Grade

Corres-

Specification

Example  in   use

pond to

Density

Hardness

Flexural strength

ISO

g/cm³

HRA

MPa

YG6A

K10

≥14.6

≥91.5

≥1600

It is applicable to use in semi-finish machining of hard cast iron, nonferrous metal and its alloy. It also uses in semi-finish machining of manganese steel.

YG8

K30

≥14.5

≥89.0

≥1800

It is applicable to use in low speed rough machining of cast iron, nonferrous metal and its alloy, and non-metal material. It also uses in drilling and expanding of normal hole and deep hole.

YG8N

K20

≥14.5

≥89.5

≥1700

It is applicable to use in rough machining of hard cast iron, nodular cast iron, white iron and non-ferrous metal.

YT5

P30

≥12.5

≥89.5

≥1450

It is applicable to use in rough machining of non-smooth surface of carbon steel, alloy steel and cast steel.

YT15

P10

≥11.0

≥91.5

≥1200

It is applicable to use in semi-finish turning of carbon steel and alloy steel's discontinuity cutting. It also uses in rough milling of continuous section, expending and rough expending of cast hole.

YD03

P01

≥9.6

≥92.5

≥900

It is applicable to use in semi-finish machining and finish machining of D60 square steel, 58SiMn with large cutting volume.

YW1

M10

≥12.4

≥92.0

≥1300

It is applicable to use in machining of material that difficult to machining, e.g. heatresisting steel, manganese steel, stainless steel and alloy steel. It also applicable to use in machining ordinary steel and cast iron.

YW2

M20

≥12.5

≥90.5

≥1350

It is applicable to use in semi-finish machining of material that difficult to machining, e.g. heat resisting steel, manganese steel, stainless steel and alloy steel. It also applicable to use in machining ordinary steel and cast iron.

BK10

K10

≥14.6

≥91.0

≥1700

It is applicable to use in rough machining of nonsmooth surface of carbon steel, alloy steel and cast steel.

BK15

K30

≥14.6

≥90.0

≥1800

It is special blade for woodwork. Its performance is obviously better than YG8.

Physical mechanics performance

Example in use

Grade

Density

Hardness

Bending strength

g/cm³

HRA

MPa

YB06

≥14.6

≥90.4

≥2000

It is applicable to set on bit of electric coal drill to drill

Into coal bed without pyrite and anthracite bed, and drill

Into schist, sylvine, halite, etc.

YB08

≥14.4

≥90.0

≥2000

It is applicable to set on core bit of geologic survey, oil

Well bit, drag type bit, hand-hold or fixed electric bit,

drill into soft rock bed under f=8, hard and extremely hard

coal bed, anthracite bed, and drilling hole on concrete wall.

YB10

≥14.2

≥89.0

≥2200

It is applicable to use on rock bit, drilling into medium-hard

and hard rock bed under f=14. It also use on coal cutter

tooth, oil well bit. It can drill into hard rock.

YB11

≥14.1

≥88.0

≥2250

It is applicable to use on impact& rotary rock bit ,drill

into medium hard and hard rock bed.

YB12

≥14.0

≥87.5

≥2350

It is applicable to use on impact& rotary rock bit ,drill

into medium hard and hard rock bed.

YB13

≥13.9

≥86.5

≥2600

It is applicable to set on drill bit of heavy rock hammer to

drill into extremely hard rock bed. It also can set on drill

bit on concrete wall drilling.