CHE421D
CHE421D is a rutile cellulose type electrode for welding mild steel.Both all position welding and vertical-down welding could be performed. It is suitable for vertical-down welding of light steel structures,steel sheet structures and hull of vehicles etc.
Chemical Composition Deposited Metal(%)
| |
C
|
Mn
|
Si
|
S
|
P
|
|
Standard
|
|
|
|
≤0.035
|
≤0.040
|
|
Typical
|
0.063
|
0.50
|
0.27
|
0.017
|
0.018
|
Mechanical Properties of Deposited metal
| |
Yidld Point
ós (Mpa)
|
Tensile Strengh
ób (Mpa)
|
Elongation
δ5（%）
|
Impact Value(J)
|
|
0℃
|
|
Standard
|
≥330
|
≥420
|
≥17
|
－
≥47
|
|
Typical
|
385
|
475
|
26
|
70
|
Sizes,Pieces & Recommended Current(AC or DC)
|
Size(mm)
|
2.5×300
|
3.2×350
|
4.0×400
|
5.0×400
|
|
Pieces(5kg)
|
≈268
|
≈163
|
≈96
|
≈62
|
|
Current(A)
|
F,H
|
60-100
|
80-150
|
160-200
|
180-250
|
|
VH,VD
|
60-90
|
80-130
|
160-180
|
180-230
|
