HIGH SPEED STEEL Performance FOR HSS-M2

HSS CODE: W6Mo5Cr4V2 (M2)

 Chemical compositons(%): 

 C                   Si                   Mn               W                  Mo             Cr                        V                     Others 

0.80-0.90   0.20-0.40      0.15-0.40      5.50-6.75       4.50-5.50    3.80-4.40        1.75-2.0

International Code:  

ASTM: M2(A600)

UNS:T11302

JIS:SKM51

DIN:S6-5-2

BS:BM2

NF:HS6-5-2 

ROCT: P6M5

ISO:HS6-5-2 

China：6542 

Density:  Annealed(g/cm) 8.11 

Heat treatment:Starting: 1100 Finishing:900 

Usage:It's suitable for making all kinds cutting tools which should bear high impacted force and general cutting tools,e.g endmills,drill bits,taps etc. It also suitable for bigger sizes and Hot Plasticity shaping cutlery and wear resisting parts at high force.e.g.Cold-working Die.

 Anneal temperature （℃) 840-860 

Stress relief Temperature（℃）:600-650 

Quench temperature （℃）:1210-1230 

Coolant media of quench : salt bath  at 600℃,or Oil  cool or air cool 

Normal temperature of temper（℃）: 540-560 

Quench and temper HRC: 63-66 

Bending Strength(Mpa): 3500-4000 

Impact Toughness(MJ/㎡): 0.3-0.40 

HRC at 600℃(HRC):47-46

 Character:  Good Overall performance.High ductile.Good hot reforming.Higher HRC,Red Hardness and high termperature HRC.