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Part-Off 8 (343) 382-52-03 | sales@sverla-ekb.ru
Grade Descriptions
Part-Off Grade Description
MP91M CVD Coated grade offering
good wear, and shock resistance.
Ideal for Steels and Cast Irons
Cut
Part-Off
Cutting Speed vc
Mini
CVD
MP91M
ISO Materials Rm and Hardness
m/min
min. - max.
<600 N/mm2
140- 345
Unalloyed <180 HBN
Steel <950 N/mm2
125 - 300
<280 HBN
700-950 N/mm2
P 200-280 HBN
105 - 270
Alloyed 950-1200 N/mm2
80 - 205
Steel 280-355 HBN
1200-1400 N/mm2 Optimum Grade Performance
50 - 130
355-415 HBN
Grey
145 - 365
GG-Ft
Grade Classifications
K Cast Iron
Spheroidal-Ductile
115 - 285 CVD
GGG-FGS Materials Code Coated
Malleable
105 - 260 MP91M
GTS - MN/MP P01
Hard Steel P05
>1400 N/mm2 50 - 80 P10
Hard >415 HBN P15
H Materials Chilled Cast Iron2 P20
Unalloyed and P25
1400 N/mm2 P
Increasing - wear resistance
40 - 65
Alloyed Steels
400 HBN P30
P35
P40
P45
P50
Increasing - shock resistance
K01
K05
K10
K15
K Cast Irons K20
K25
K30
K35
K40
H01
H05
H10
H Hard Materials H15
H20
H25
H30
C282 www.kennametal.com