Number and performance of cutting blade series
Grade
ISO Code
Density g/cm3
Hardness HRA
TRS
N/mm2
Performance & application recommended
SK6
K10
14.7-15.1
90-90.5
1850-2000
with better wear resistance than SK8 alloy, used for semi-finishing and finishing cast iron, non-ferrous metal and its alloy, and cutting machining non-metallic materials.
SK6A
K10
14.7-15.1
91.5-92
1750-1850
Fine grain alloy, with high wear resistance, used for semi-finishing hard cast iron, non-ferrous metal and its alloy, semi-finishing and finishing high manganese steel, etc.
SK6X
K10
14.7-15.1
91.5-92
1800-1950
Fine grain alloy, used for machining chilled cast iron and heat resistant steel, also used for finishing plain cast iron.
SK8
K20
14.5-14.9
89-89.5
2000-2300
with high strength of use, used for rough machining cast iron, non-ferrous metal, non-metallic materials, uneven surface and discontinuous cutting.
YS2T
K20-M30
14.4-14.6
91.5-92
2200-2400
Fine grain alloy, used for processing heat-resistant alloy, high manganese steel materials, etc.
ST5
P30
12.5-13
90-90.5
1800-2200
Used for rough machining carbon steel and alloy steel.
ST14
P20
11.2-12
90.5-91
1400-1600
Used for rough machining and semi-finishing carbon steel and alloy steel.
ST15
P10
11-11.5
91-91.5
1400-1600
Used for semi-finishing and finishing of continuous cutting carbon steel and alloy steel.
SW1
M10
12.6-13.5
91.5-92
1400-1600
Used for processing difficult-to-machine steels, such as cast iron, plain steel and heat resistant steel, stainless steel and so on.
SW2
M20
12.4-13.5
90.5-91
1600-1800
Used for processing special difficult-to-machine steels, also used for processing plain steel and cast iron.
Other grade of cutting blade may be offered according to customers' requirement.

