Page 141 - Master Catalog 2017, Inch

WIDIA VariTurn
™
™
Grades and Grade Descriptions

Coatings provide high-speed P Steel
capability and are engineered
M Stainless Steel

for finishing to light roughing.
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials

wear
resistance toughness
Coating Grade Description 05 10 15 20 25 30 35 40 45
P
M
TN30M Coated carbide. MTCVD-TiN-TiCN-Al O -TiN. Ideal for general-purpose
2 3
machining of stainless steels.
S
HC-M30
P

TN20K Coated carbide. MTCVD-TiN-TiCN-Al O -TiN. Great when used for straight K
2 3
or lightly interrupted cut applications of ductile and cast irons.
Grade HC-K20

P
M
TN10U Coated carbide. PVD-TiAlN-TiN. Ideal for fi nishing of diffi cult to machine K N
alloys and stainless steels.
S
HC-S10
P
M
TN15U Uncoated carbide. Excellent abarasion resistance for machining cast irons, K N
austentic stainless steels, and most high-temperature alloys.
S
HW-P15

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