| GRADE |
ISO |
DENSITY |
TRS |
HARDNESS |
APPLICATION |
| (g/cm) |
(N/mm) |
(HRA) |
| YT15 |
P10 |
11.1-11.6 |
1500 |
91.5 |
Forthesemi-finished andfinishingof |
| carbonsteel, alloysteel. |
| YT14 |
P20 |
11.2-11.8 |
1550 |
91 |
Forthemediumspeedroughand |
| semi-finished ofcarbonsteel, alloysteel. |
| YT5 |
P30 |
12.5-13.2 |
1600 |
89.5 |
Forthemediumspeedroughand |
| semi-finished ofcarbonsteel, alloysteel. |
| YW1 |
M10 |
12.7-13.5 |
1800 |
91.5 |
Forthemediumspeedandlowspeed |
| semi-finished ofheat resistant steel, |
| managesesteel, stainlesssteel. |
| YW2 |
M20 |
12.5-13.5 |
1700 |
90.5 |
Forthemediumspeedandlowspeed |
| semi-finished and finefinishingofheat-resistant steel, managesesteel, stainless |
| steel. |
| YG6X |
K10 |
14.8-15.1 |
1800 |
91 |
Afinegraingradewithbetterwear |
| resistanceandsimilarstrengthasthat |
| ofYG6grade, suitableforcuttingofchilled |
| andalloyedrefractorysteels, also suitable |
| forfinishingofnormalcastirons. |
| YG6A |
K10 |
14.7-15.1 |
1800 |
91.5 |
Afinegraingradewithexcellentwear |
| resistanceandsuitableforsemi-finished |
| ofchilledcastiron, non-ferrousmetalsand |
| theiralloys, butalsosuitablefor |
| semi-finished orfinishingofhardened |
| steelandalloysteels. |
| YG6 |
K20 |
14.9 |
1780 |
90.5 |
Withbetterwearresistance, andsuitable |
| forsemi-finished andfinishingofvast |
| irons, non-ferrousmetalsandtheiralloys, |
| non-metallicmaterials atmediumcutting |
| speed. |
| YG8 |
K20 |
14.7 |
1900 |
89 |
Withgoodstrength, betterimpactand |
| shockresistancethanthatofYG6, but |
| lowerwearresistance; suitablefor |
| roughingofcastirons, non-ferrousmetals |
| andtheiralloys, swellnonmetallic |
| materialsatlowcuttingspeed. |