• Address: No 21/15, Mugappair Road, Padi,
    Chennai – 600050

  • Call Us: 9884209719
    steelcentre@outlook.com

DIN 3355 HIGH SPEED STEEL

CHEMICAL COMPOSITION (Typical Analysis in %)

 

C Mn V W Cr Mo
0.92 0.30 1.90 6.40 4.10 5.00

 

DIN 3355 is a tungsten kind tool steel. Very high resistance to put on and to softening. Just right longevity, reducing potential & deep hardening response. This grade is on the whole used for turning, planning & slotting instruments, tapes, twist drill, threading dies, profile slicing instruments, broaching instruments & reamers.


Steel Properties

 

Standard hiqh-speed steel qrade. Itswell-balanced alloycomposition forms the basis of its high_touqhness and good clll:ting edge retention, render'lng it suitable for a large variety of applications.

 

Physical Properties

 

Thermal Conductivity at °C 20 350 700
W/(m*K) 32.8 23.5 25.5

 

Application

 

For all metal-cutting tools for roughing or finishing such as twist drills, diverse milling cutters, thread dies, broaches, reamers, countersinks, thread chasers, circular saw segments, shaping tools and woodworking tools. Also highly suitable for cold-forming tools such as cold extrusion rams and dies, as well as cutting and precision cutting tools, plastic moulds with elevated wear resistance and screws.

 

Heat Treatment

 

Soft annealing °C Cooling Hardness HB
870-900 slowly max. 270

 

Stress-relief annealing °C Cooling
630 - 650 Furnace