Virat Special Steels is the biggest & leading Supplier & Stockiest of DIN 1.3355 Steels.
Din 1.3355 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.
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.
|Thermal Conductivity at °C||20||350||700|
|Soft annealing °C||Cooling||Hardness HB|
|Stress-relief annealing °C||Cooling|
|630 - 650||Furnace|
|1st pre-heating °C||2nd and 3rd||Hardening °C||Quenching||Tempering °C||Hardness after Teperature HRC|
|up to approx. 400 in an air-circulating furnace||850 and 1050||1190 - 1230||Saltbath, at least 550 °C Oil ,Air||at least twice 530-560||64 – 66|