Grade

Equal to ISO Category Number

Performance

uses

Density

Bend Strength

Hardness

G/Cm3

N/mm2

HRA

YG3

K01

14.9-15.3

1180

≥90.5

sand-blasting nozzlesQualified for fine turning and half-fine turning when cast iron, non-ferrous metal, alloys as well as non-alloy materials cutting consecutively. Can make wire drawing of steel and non-ferrous metal. Also qualified for sand-blasting nozzles.

YG3X

K01

15.1-15.4

≥1300

≥91.5

YG6X

K10

14.8-15.1

≥1560

≥91.0

Qualified for machining of chilled cast iron, alloy cast iron, refractory steel and alloy steel. Also Qualified for the machining of common cast iron.

YG6A

K10

14.7-15.1

≥1580

≥91.0

YG6

K20

14.7-15.1

≥1670

≥89.5

Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc.

YG8

K20-K30

14.6-14.9

≥1840

≥89

Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine