|C 0.92||Cr 4.10||Mo 5.00||V 1.90||W 6.40||Co 4.80|
Virat Special Steels is the biggest Supplier & Stockiest of DIN 1.3243 Steel.
Din 1.3243 is cobalt content material in these high-performance excessive-speed steel results in high pink hardness and tempering resistance. As a final result, this grade is primarily suitable for conditions involving thermal stresses and discontinuous cutting.
This grade is typically used as heavy-duty milling cutters of every kind, particularly stressed twist drills and taps, profile knives, machining of high-strength substances, broaches
The cobalt content in this high-performance high-speed steel results in high red hardness and tempering resistance. As a consequence, this grade is particularly suitable for conditions involving thermal stresses and discontinuous cutting. Under the name Rapidur 3245, AISI M 35 + S and material number 1.3245, this steel grade is supplied with a higher sulphur content (S = 0.10 %).
Heavy-duty milling cutters of all kinds, highly stressed twist drills and taps, profile knives, machining of high-strength materials, broaches.
|Soft annealing °C||Cooling||Hardness HB|
|820 - 860||Furnace||max. 269|
|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 540-570||64 – 67|
1 For cold-forming tools with a complex geometry, a hardening temperature at the lower end of the quoted range is recommended. The stated hardening temperatures apply to saltbath hardening only. For vacuum hardening, we suggest a reduction of 10 °C to 30 °C.