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.