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E4303 High Carbon Steel Welding Electrodes 2.0/2.5/3.2/4.0/5.0 Diameter

Minimum Order Quantity : one pallet Price : USD 1
Packaging Details : Neutral box/ LT color box/OEM brand box Delivery Time : 15 WORKING DAYS
Supply Ability : 1,200,000 TON PER YEAR
Place of Origin: CHINA Brand Name: LONGTENG
Certification: TUV CE, ABS, DB, ISO9001,CCS Model Number: E4303

Detail Information

Product Name: Carbon Steel Electrodes E4303 Model: E4303
Brand: LONGTENG Diameter: 2.0/2.5/3.2/4.0/5.0
Weight: 5kg Type Of Coating: Calcium-Titanium
Packing: Plastic Box OEM: Accept
High Light:

High Carbon E4303 Welding Electrode


E4303 Carbon Steel Welding Electrodes


ABS Carbon Steel Welding Electrodes

Product Description

E4303 Welding Electrode Cs Welding Rod For High Carbon Steel Welding Electrodes


E4303 2.0/2.5/3.2/4.0/5.0 mm Carbon Steel Electrodes

LT·J422 Conform to Standard GB/T 5117 E4303

ISO 2560-B-E 43 03 A

Specification:Welding electrode E4303 (J422) is rutile-calcium based carbon steel welding electrode. It has excellent welding performance and mechanical properties that enables to operate on AC/DC, perform all-position welding. It is featured with stable arc, small spatter, easy slag peeling and arc re-striking. Weld bead is smooth and clean. It is flexible in weld ripple width and thickness.


Purpose:GB E4030 is used for welding of low carbon steel structure and low strength grade of low alloy steel structure. Such as Q235, 09Mnv, 09Mn2 etc.


Chemical Composition(%)

Chemical Composition C Mn Si S P Ni Cr Mo V
Guarantee Value




≤0.035 ≤0.040





General Result 0.077 0.42 0.18 0.018 0.023 0.020 0.032 0.008 0.005



Mechanical Properties of Deposited Metal

Test Item Rm(MPa) ReL(MPa) A(%) KV2(J)
0℃ -20℃
Guarantee Value ≥430 ≥330 ≥20 ≥27 ≥47
General Result 469 385 30 97 70


X-Ray Radio-graphic Test Requirements:Grade II

Reference Current(AC,DC)

Diameter(mm) Φ2.0 Φ2.5 Φ3.2 Φ4.0 Φ5.0
Amperage(A) 40~70 60~100 80~140 140~220 180~230


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