Home > Products > Carbon Steel Welding Electrodes > J421 Welding Electrodes > J421 J422 Welding Electrodes 2.5mm 3.2mm 4.0mm

J421 J422 Welding Electrodes 2.5mm 3.2mm 4.0mm

Basic Info

Model No.: 2.5mm 3.2mm 4.0mm 5.0mm

Additional Info

Packaging: 2.5*300mm: 2.5kg/box, 20kg/ctn. Ctn Size: 32*18*16cm 3.2*350mm: 5kg/box, 20kg/ctn. Ctn Size: 37*18*13cm 4.0*400mm: 5kg/box, 20kg/ctn. Ctn Size: 42*17*12cm 5.0*400mm: 5kg/box, 20kg/ctn. Ctn Size: 42*17*12cm

Brand: Copper bridge

Place of Origin: Hebei, China (Mainland)

Product Description

J421 J422 Welding Electrodes 2.5mm 3.2mm 4.0mm

J421 and J422 is Carbon Steel Welding Electrodes, generally welding low carbon mild steel structures, especially for

intermittents welding for small and thin plates and cosmetic welding which requests a neat welding surface.


Product Description

J421/J422 coated general purpose electrode suitable for welding mild steels. The superb and controlled flux formulation ensures excellent performance of the electrode in AC/DC in all welding positions. With its soft, forceful steady arc, easy slag detachability, fine rippled & shiny bead, and characteristics like easy maneuverability in all positions make COPPER BRIDGE a welder-friendly electrode.


Product Name J422 J421 E7018
Model CB-J422 CB-J421 CB-J507
GB E4303 E4313 E5018
Diameter(mm) 2.5-5.0 2.5-5.0 2.5-5.0
Type of Coating Cellulose Type Tiatania Type Low-hydrogen Type
Current AC DC AC DC AC DC

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)

Model Rod diameter 2.5mm 3.2mm 4.0mm 5.0mm
E6013 Rod length 300mm 350mm 400mm 400mm
welding current (A) 50-90 90-130 130-210 170-230
E6011 welding current (A) 30-50 80-100 110-130 150-200

Feature

  • Stable arc
  • Lower spatter
  • Smooth bead and appearance
  • Lower smoke

Packing

2.5*300mm 2.5kgs/inner box, 8inner box/carton=20kgs; Ctn Size: 32*18*16cm
3.2*350mm 5.0kgs/inner box, 4inner box/carton=20kgs; Ctn Size: 37*18*13cm
4.0*400mm 5.0kgs/inner box, 4inner box/carton=20kgs, Ctn Size: 42*17*12cm
5.0*400mm 5.0kgs/inner box, 4inner box/carton=20kgs,Ctn Size: 42*17*12cm
inner boxes is a shrink-wrapped cardboard box ,
1MT/Pallet , or 2.5MT/Pallet
one 20' feet container can load 25-27MTS ,
1250- 1350 CARTONS ,one MTS is about 0.6 CBM .
what is more, our own brand is Copper Bridge,
We can do OEM package according to the customers' request.





Looking for ideal J421 Welding Electrodes Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Welding Electrodes 3.2mm are quality guaranteed. We are China Origin Factory of Welding Electrodes J4221. If you have any question, please feel free to contact us.

Product Categories : Carbon Steel Welding Electrodes > J421 Welding Electrodes

Product Images

  • J421 J422  Welding Electrodes 2.5mm 3.2mm 4.0mm
  • J421 J422  Welding Electrodes 2.5mm 3.2mm 4.0mm
  • J421 J422  Welding Electrodes 2.5mm 3.2mm 4.0mm
  • J421 J422  Welding Electrodes 2.5mm 3.2mm 4.0mm
  • J421 J422  Welding Electrodes 2.5mm 3.2mm 4.0mm
  • J421 J422  Welding Electrodes 2.5mm 3.2mm 4.0mm
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