Chengdu Tool Research Institute Co., Ltd

Grade

Metallographic

Performance and Application

GY0124

Using good red-hardness and toughness body, working with PVD coating suite for tubing, casing and coupling threading cutting on low to middle and secondary high grade steel ( like J55,K55,N80,L80 etc.) on the high-effective threading machine.

GY0326

Using good red-hardness, toughness and excellent impact resistance body, enhance abrasive resistance after PVD coating. Suit for tubing, casing and coupling threading cutting on middle to high grade steel (like N80, P110 etc.) on the high-effective threading machine.

GY0127

Using good red-hardness and toughness body, Working with anti-adhesive coating. Suit for middle-low speed cutting thread on tubing, casing, drill rod, drill collar and sucker rod.

GY0328

Using good red-hardness and toughnesbody, excellent impact resistance. Working with high temperature resistance and wearable coating, to improve tool’s anti-adhesive and abrasive resistance. Suit for hard-working material (like: nickel base, sulfur resistance, collapse resistance and containing chromium) tubing, casing and coupling threading cutting, also suit for their highspeed cutting condition.

GY17

For its good red-hardness and toughness, this grade is suitable for chipbreaker and other type insert, coating or un-coating.