EST |
DIN |
ASTM |
CHEMICAL COMPOSITION |
PROPERTY |
APPLICATION |
C |
Si |
Mn |
Cr |
Mo |
V |
W |
Co |
DF6 |
1.3343 |
M2 |
0.86-0.94 |
0.20-0.45 |
0.20-0.40 |
3.75-4.50 |
4.50-5.50 |
1.70-2.10 |
5.50-6.70 |
- |
Excellent combination of wear resistance, toughness and hot hardness. Superior compressive strength for deformation resistance, reducing susceptibility to , denting and edge rollover. |
For all kind of wear resisting tools that bear vibration, Like Lathe tools, Planer tools, Drills, Taps, Reamers, Broaches, Milling cutters, Form cutters, Thread chasers, End mills, Gear cutters |
DF35 |
1.3243 |
M35 |
0.87-0.95 |
0.20-0.45 |
0.20-0.45 |
3.75-4.50 |
4.50-5.50 |
1.70-2.10 |
5.50-6.70 |
4.50-5.00 |
Cobalt added M2 high speed steel in which the cobalt addition provides hot hardness, The improved hot hardness makes the steel suitable for machining high-strength and prehardened steels, high-hardness alloys |
Twist drills, taps, milling cutters, reamers, broaches, saws, knives, and hobs. |
DF42 |
1.3247 |
M42 |
1.05-1.15 |
0.15-0.65 |
0.15-0.40 |
3.50-4.25 |
9.0-10.0 |
0.95-1.35 |
1.15-1.85 |
7.75-8.75 |
A premium cobalt high speed steel with very high hardness and superior hot hardness, excellent wear resistance by virtue of high heat-treated hardness, stay sharp and hard in heavy-duty and high-production cutting applications |
For complicated and accurate cutting tools for hard and high speed cutting, twist drills, taps, milling cutters, reamers, broaches, saws, knives, and thread rolling dies. |
DF18 |
1.3355 |
T1 |
0.65-0.75 |
0.20-0.45 |
0.20-0.45 |
3.75-4.50 |
- |
0.90-1.30 |
17.25-18.75 |
- |
Tungsten based HSS, Good combination of toughness and red hardness. High resistance to wear and softening. Relatively easy to harden. |
Twist drills, screw cutting tools, milling cutters, file cutter's chisels, lathe tools, planer tools, shaving tools. |