|
Grade |
ISO
Grade |
Density g/cm3 |
Hardness HRA> |
T.R.S>N/mm² |
Performances or recommended applications |
Conventional grades |
|
YG3 |
K05 |
15.20-15.40 |
91.5 |
1400 |
Medium grain, for finishing machining of cast iron and non-ferrous metals |
|
YG3X |
K05 |
15.20-15.40 |
92.0 |
1300 |
Fine grain, for finishing machining of cast iron and non-ferrous metals |
|
YG4C |
|
15.05-15.25 |
90 |
1620 |
Coarse grain, for percussion drill bits and mining inserts |
|
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 |
|
YG8A |
K30 |
14.6-14.85 |
90.0 |
2000 |
Medium grain, for the drawing dies and wood-working |
|
YG8X |
K30 |
14.60-14.85 |
90.5 |
2000 |
Fine grain, high hardness and oxidation resistance at high temperatures and good impact toughness |
|
YG8C |
|
14.55-14.75 |
88.0 |
2160 |
Coarse grain, for button drill bits and the mining inserts |
|
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 |
|
YG12 |
K40 |
14.10-14.40 |
87 |
2260 |
Medium grain, for rough machining of non-ferrous metals |
|
YG15 |
|
13.95-14.15 |
86.5 |
2400 |
Medium grain, for mining tools, cold heading and punching dies |
|
YG20 |
|
13.45-13.65 |
84.0 |
2480 |
Medium grain, for non-standard dies and moulds, cold heading and punching dies |
|
YG20C |
|
13.40-13.60 |
82.5 |
2480 |
Coarse grain, for die and moulds making screws of a diameter of ∮20-∮50mm |
|
YG22 |
|
13.15-13.55 |
83.0 |
2480 |
Medium grain, for non-standard dies and moulds, cold heading and punching dies |
High-performance grade |
|
YD40 |
|
13.10-13.55 |
82.5 |
2480 |
High impact resistance, for cold heading and punching dies and hot heading and punching dies |
|
YD45 |
|
13.25-13.65 |
83.0 |
2480 |
High impact resistance, a special grade for hot heading dies |
|
YG011 |
K10 |
14.55-14.75 |
92.5 |
1840 |
Ultra-fine grain size, for machining glass fiber reinforced plastics, titanium alloys, hardened steel with a high hardness |
|
YG012 |
K20 |
14.25-14.55 |
91.0 |
2160 |
Ultra-fine grain, for milling cutters and the hole-machining tools |
|
YG013 |
K10 |
14.35-14.60 |
91.5 |
2060 |
Ultra-fine grain with good wear resistance and toughness, for wood-working tools |
|
YG014 |
K05 |
14.65-14.95 |
93.0 |
1760 |
Ultra-fine grain, for finishing machining of non-ferrous metals and for wood-working tools |
|
Special mining grade |
|
YK5 |
|
14.80-15.10 |
89.0 |
2060 |
With high toughness and good wear resistance, it is suitable mainly for buttons and inserts used in small and medium size percussion drill bits for drilling medium hard rock formations |
|
YK10 |
|
14.60-14.85 |
89.5 |
2260 |
With high toughness and good wear resistance, it is suitable mainly for buttons and inserts used in small and medium size percussion drill bits |
|
YK20 |
|
14.30-14.60 |
86.5 |
2350 |
With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussive drill bits for drilling medium hard and rather hard rock formations |
|
YK25 |
|
14.35-14.70 |
87.0 |
2450 |
With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussive drill bits for drilling medium hard and rather hard rock formations |
|
YK40 |
|
13.90-14.20 |
86.5 |
2450 |
With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussive drill bits for drilling medium hard and rather hard rock formations |
|
YK45 |
|
13.80-14.20 |
86.0 |
2450 |
With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussion drill bits for drilling medium hard and rather hard rock formations |
|
YK50 |
|
13.80-14.20 |
85.5 |
2450 |
With ultra high toughness and good wear resistance, it is suitable mainly for embedding button drill bits, tri-cone drill bits for drilling medium-hard and rather hard rock formations |
Cutting steel class grade |
|
YT03 |
P10 |
14.75-14.95 |
91.5 |
1860 |
Suitable for the semi-finishing and finishing machining of non-ferrous metals, stainless steel |
|
YT5 |
P30 |
11.50-13.20 |
90.0 |
1750 |
Suitable for heavy duty cutting of steel and cast steel and for a low-speed and medium-speed and a big feed-rate roughing operation under unfavorable machining conditions |
|
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 recommended |
|
YS25 |
P25 |
12.80-13.20 |
91.0 |
1860 |
A special grade for mining steel and cast steel |
|
SC30 |
P30 |
12.70-13.20 |
90.0 |
1600 |
Suitable for heavy duty cutting of steel and cast steel with a possible big feed-rate |
|
YC40 |
P40 |
13.00-13.40 |
89.5 |
1860 |
Suitable for heavy duty cutting of steel and cast steel with a possible big feed-rate and for face milling as well |
|
YW1 |
M10 |
12.85-13.40 |
92.0 |
1380 |
Suitable for semi-finishing and finishing of stainless and ordinary alloyed steel |
|
YW2 |
M20 |
12.65-13.35 |
91.0 |
1680 |
Suitable for semi-finishing and finishing of stainless and low alloyed steel, mainly used for machining of trains' wheel hubs |
|
YW3 |
M10 |
12.85-13.10 |
92.0 |
1420 |
It is suitable for semi-finishing and finishing of stainless and ordinary alloyed steel |
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