Density

(g/cm³)

Hardness

(HRA)

T·R·S

(N/mm2)

Maily used as small buttons for percussion bits

and as the inserts of rotary prospecting bits to

cut soft,medium-hard formations.

Maily used as the buttons of small and

mediumsized percussion bits and as the inserts of

rotary prospecting bits to cut soft, medium-hard

formations.

Maily used as the buttons of small and

mediumsized percussion bits and as the inserts of

rotary prospecting bits to cut soft,medium-hard

formations.

Maily used as the buttons of small and

mediumsized percussion bits and as the inserts of

rotary prospecting bits to cut soft, medium-hard

formations.

Maily used as the inserts and buttons for

rotarypercussive bits, coal-cutting bits and tricone

bits to cut medium-hard and hard formations.

Chiefly for the inserts and buttons of heavy rock

drill bits and rotary-percussive bits, coal-cutting

bits and tricone bits to cut medium-hard and

hard formations.

Mainly used as the inserts and buttons of tricone

bits rotary-­percussive bits and heavy rock drill

bits to cut medium-hard and hard formations.

It is stronger, and is mainly used as the inserts

and buttons of rotary-­percussive bits, heavy rock

drill bits to cut hard and very hard formations.

It is mainly used for making cemented carbide

substrate tips to be used in PDC cutters for

excavating coal and oil field PDC bits.

Mainly for the stamping dies used in the

conditions of heavy impact load and large strees.