CB-J421 is a kind of carbon steel electrode with titania type coating. AC/DC. All-position welding. It has excellent welding performance, excellent operating performance, easy reignition, stable arc and beautiful appearance of weld.
Uses: For welding low-carbon steel structures, especially suitable for welding on thin plates and cosmetic welding which requires the weld beads to be beautiful and glossy.
Chemical Composition of Deposited Metal (%)
Chemical Composition |
C |
Mn |
Si |
S |
P |
Guarantee Value |
≤ 0.12 |
0.3~0.6 |
≤ 0.35 |
≤ 0.035 |
≤ 0.040 |
|
Mechanical Properties of Deposited Metal
Test Item |
Rm(MPa) |
ReL(Mpa) |
A(%) |
KV2(J) |
KV2(J) |
Guarantee Value |
≥ 420 |
≥ 330 |
≥ 17 |
-(normal temperature) |
-(0° C) |
General Result |
460~540 |
≥ 340 |
18~26 |
50~80 |
≥ 47 |
|
|
Reference Current (AC, DC)
Electrode Diameter(mm) |
φ 2.0 |
φ 2.5 |
φ 3.2 |
φ 4.0 |
φ 5.0 |
Welding Current (A) |
40~70 |
50~90 |
90~130 |
130~210 |
170~230 |
|