|
Grade |
Equal to ISO Category Number |
Performance |
Performance&application recommended |
|
Density G/Cm 3 |
Bend Strength N/mm 2 |
Hardness HRA |
|
YG3 |
K01 |
14.9-15.3 |
≥1180 |
≥90.5 |
Sand-blasting nozzles qualified for fine turning and half-fine turning when cast iron, non-ferrous metal, alloys as well as non-alloy materials cutting consecutively. Can make wire drawing of steel and non-ferrous metal. Also qualified for sand-blasting n |
|
YG3X |
K01 |
15.1-15.4 |
≥1300 |
≥91.5 |
|
YK05 |
|
14.95 |
2500 |
90.5 |
Mostly used as the buttons of small and bits medium sized percussion |
|
YG8C |
|
14.8 |
2400 |
88.5 |
and as the inserts of rotary prospecting bits to cut soft and |
|
medium hard formations. |
|
YG6 |
|
14.95 |
1900 |
90.5 |
For coring crowns,electric coal drill bits, coal cutting picks,oil |
|
cone bits and scraping knife bits,used in coal geological prospecting, |
|
mining and oil well boring. |
|
YG6X |
K10 |
14.8-15.1 |
≥1560 |
≥91.0 |
Qualified for machining of chilled cast iron, alloy cast iron, refractory steel and alloy steel. Also Qualified for the machining of common cast iron. |
|
YG6A |
K10 |
14.7-15.1 |
≥1580 |
≥91.0 |
|
YG6 |
K20 |
14.7-15.1 |
≥1670 |
≥89.5 |
Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc. |
|
YG8 |
K30 |
14.6-14.9 |
≥1840 |
≥89 |
Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts. |
|
YG10X |
|
14.5 |
2400 |
91.5 |
Fine grain alloy, good wear resistance,Used for processing hard |
|
wood, veneer board,PCB,PVC and metals. |
|
YG11 |
|
14.4 |
2600 |
88.5 |
Forming or stamping dies for metal powders and nonmental powders. |
|
YG11C |
K40 |
14.4 |
2700 |
86.5 |
Largely for the inserts and buttons of percussion bits and tricone bits to cut medium |
|
hard, hard and very hard formations. |
|
YG15 |
K40 |
14 |
2800 |
87.5 |
For fabricating drawing dies of steel tubesand rods under high |
|
compressibility ratio;punching,stamping,forging tools under large stress. |
|
YG15C |
|
14 |
3000 |
85.5 |
For oil cone dril bits, for medium soft and medium-hard rocks. |
|
YG16C |
|
13.9 |
2900 |
85.5 |
Impact resistance, hot&forging dies etc. |
|
YGH40 |
|
13.5-13.9 |
≥2450 |
≥83.0 |
Mainly for making hot dies. |
|
YG20 |
|
13.5 |
3200 |
85.5 |
For fabricating of stamping dies for watch parts, spring plates of musical |
|
|
|
|
|
|
instruments, battery jars,small sized steel balls,screws,screw caps. |
|
YG18C |
|
13.7 |
3100 |
84.5 |
Impact resistance forging dies,hot-press forging dies and rollers. |
|
YG20C |
|
13.5 |
3300 |
83.5 |
Dies for wear resistant or impact resistant application. |
|
YG22C |
|
13.3 |
3500 |
83 |
Nut forming dies and high impact resistance forging dies. |
|
YG25C |
|
13.1 |
3600 |
82.5 |
Stainless bolt header dies and rollers. |
|
YT15 |
P10 |
11.1-11.6 |
≥1180 |
≥91.0 |
Qualified for rough machining, semi-finish machining and finish machining during consecutive machining of carbon steel and alloy steel. |
|
YT14 |
P20 |
11.2-11.8 |
≥1270 |
≥90.5 |
Qualified for rough machining for rough face of carbon steel and alloy steel, half process during discontinuity cutting. |
|
YT5 |
P30 |
12.5-13.2 |
≥1430 |
≥89.5 |
Qualified for rough machining for rough face of carbon steel and alloy steel and discontinuity cutting. |
