|
Grade
|
ISO
Grade |
Density g/cm3
|
Hardness HRA
|
T.R.S>N/mm2
|
Performances or recommended applications
|
|
Conventional grades
|
|||||
|
YG6
|
K20
|
14.85-15.05
|
90.5
|
1860
|
Medium grain, for rough machining of non-ferrous metals
|
|
YG6A
|
K10
|
14.85-15.05
|
92.0
|
1600
|
Fine grain, for drawing dies and woodworking tools
|
|
YG6X
|
K10
|
14.85-15.05
|
91.7
|
1800
|
Fine grain, for cutting of non-ferrous metals
|
|
YG7
|
K20
|
14.65-14.85
|
90.0
|
1900
|
Medium grain with good wear-resistance and good impact- resistance
|
|
YG8
|
K30
|
14.60-14.85
|
89.7
|
2060
|
Medium grain, for drawing dies
|
|
YG10
|
K40
|
14.25-14.55
|
88.0
|
2160
|
Medium grain, for machining gray cast iron with a low hardness
|
|
YG11
|
K40
|
14.30-14.50
|
87.5
|
2260
|
Medium grain, for wear parts and mining tools
|
|
YG11C
|
14.20-14.40
|
87
|
2260
|
Coarse grain, for mining inserts
|
|
|
Cutting steel class grade
|
|||||
|
YT14
|
P20
|
11.20-11.80
|
91.0
|
1550
|
Suitable for semi-finishing and finishing machining of steel and cast steel, using a medium feed-rate
|
|
YT15
|
P10
|
11.10-11.60
|
91.5
|
1500
|
Suitable for semi-finishing and finishing machining of steel and cast steel and a medium feed-rate and a rather high cutting speed
is to be recomme |
