Products
YAWATA Ni Cast 55 (Non-machinable Cast Iron)
Clssification : AWS A 5.15 : ENiFe-CI, JIS Z 3252 : ECNiFe-CI, DIN 8573 : E NiFe BG 23
Approvals : TIS
Application : Welding of normal cast irons and ductile cast irons.
YAWATA Ni Cast 55 is a graphite type electrode. Its Fe-Ni composit wire assures no excessive heating of electrode and no change of operational characteristics during welding. Deposited metal shows excellent mechanical properties and crack resistance.
AWS A 5.15 : ENiFe-CI
JIS Z 3252 : ECNiFe-CI
DIN 8573 : E NiFe BG 23
| Â |
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Cu
|
Al
|
|
Req.  Â
|
≤2.0
|
≤4.0
|
≤2.5
|
N.S.
|
≤0.03
|
45.0-60.0
|
≤2.5
|
≤1.0
|
|
Typ.  Â
|
0.54
|
0.67
|
0.97
|
0.004
|
0.007
|
50.0
|
0.09
|
0.01
|
Typ. = Typical results
N.S. = Not Specified
C.L. = Combined Limit for Mn + Ni + Cr + Mo + V
Â
| Â | Tensile Strength N/mm2 (kgf/mm2) |
Vicker  (Hv) |
Shore | Heat Treatment |
| Req.  | 400-579 | 162-222 | ≥XX | XX |
| Typ.   | 440 | 173 | 25 | As-welded |
| Diameter/Length (mm) | 2.6/300 | 3.2/350 | 4.0/350 | 5.0/350 | |
| Welding Position | Current (A) | ||||
| All | 60-90 | 100-140 | 150-180 | 190-230 | |
1. Use dry electrodes only. Damp electrodes should be re-dried at 80～120℃ for 60 minutes before use.
2. Preheating and postheating are not necessary in general. However, preheating at 100～200℃ is required for a structure which is apt to cause stress cracks.
2. Preheating and postheating are not necessary in general. However, preheating at 100～200℃ is required for a structure which is apt to cause stress cracks.
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