Specifications

low alloy steel covering welding rods electrodes
Perfact welding forming
Stable arc
less splash and smoking

low alloy steel covering welding rods electrodes

 

Introduction: 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.

 

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

X-ray Radiographic Inspection: ⅡDegree

Reference Current(AC, DC) Electrode Diameter(mm) φ2.0 φ2.5 φ3.2 φ4.0 φ5.0 Welding Current (A) 40~70 50~90 90~130 130~210 170~230     Welding Positions: be used for all position weldings

 

Stronger seaworthy packing style as below, for special package,please request with us when ordered.

 

 

 

Pallets for shipped by sea