超硬合金 タイトルバー
  KD grade
  A10W
  EF grade
  SS grade
  MC grade
  KN20
  KX01
  WD20
KN20 KN20

Nonmagnetic Cemented Carbide

For lens molding and peripheral jigs

Application: Magnetic field forming mold, Tools for magnetic tape, Electronic equipment
Pats for chemical equipment, Mechanical seal, Decorative parts(band of wrist-watch) etc
Character: This non-magnetic grain of carbide containing Ni binder has excellent corrosion resisitance properties
Features:  
Our grades
Hardness
(HRA)
Transverse
Rupture
Strength(GPa)
Pemeadility
Coercive
force
KN20
90.0
3.2
(1.0002)
0
reference G4
89
2.9
110
( ):Figures in parentheses represent a reduction.
Corrosion resistance of KN(Comparison with G)
Our grades
Decrease in corrosiveness(g/m2h)
10%NaOH
10%KOH
10%HNO3
KN20
0
0.01
0.01
reference G2
0.02
0.03
7.99
reference G5
0.02
0.04
28.34

KN20組織 1500倍
Microstructure of KN20 × 1500
Copyright(c) 2005, EVERLOY