Grades | Application |
Hardness HV
(Mpa) |
Bending strength
(Mpa) |
RZ905 |
Fit for low speed heavy load rough machining.
High pyroconductivity, definite impact resistance. Fit for rough machining of high-hardness alloy cast iron, gray cast iron, nodular cast iron and other materials. |
3000--3200 | 1100--1300 |
RZ907 |
Consider abrasion resistance and tipping resistance, high-speed continuous cutting.
Fit for rough machining and semi-finishing of high-hardness alloy cast iron, high nickel chromium, high ferrochrome and other materials. Fit for rough machining and semi-finishing of gray cast iron and nodular cast iron. |
3200--3400 | 1100--1300 |
RZ957 |
Excellent wear resistance and heat resistance, high-speed continuous cutting and milling.
Fit for semi-finishing and finish machining of alloy cast iron, high nickel chromium, high ferrochrome and other materials. Fit for semi-finishing and finish machining of gray cast iron, nodular cast iron, and other materials. |
3300--3500 | 1100--1200 |
RZ900 |
Excellent wear resistance, tipping resistance and generality, low-speed interrupted cutting.
Fit for rough machining of quenching workpieces, such as bearing steel, die steel, gauge steel, tool steel, high-speed steel and other materials. |
3000--3200 | 1100--1300 |
RZ950 |
Excellent wear resistance and heat resistance, high-speed continuous cutting and milling.
Fit for semi-finishing and finish machining of quenching workpieces, such as bearing steel, die steel, gauge steel, tool steel, high-speed steel and other materials. |
3000--3200 | 1100--1200 |