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| Price | USD 1 |
| MOQ | one pallet |
| Delivery Time | 15 WORKING DAYS |
| Brand | LONGTENG |
| Place of Origin | CHINA |
| Certification | TUV CE, ABS, DB, ISO9001,CCS |
| Model Number | E4303 |
| Packaging Details | Neutral box/ LT color box/OEM brand box |
| Supply Ability | 1,200,000 TON PER YEAR |
| Place of Origin | CHINA | Packaging Details | Neutral box/ LT color box/OEM brand box |
| Model Number | E4303 | Supply Ability | 1,200,000 TON PER YEAR |
| Type of Coating | Calcium-Titanium | Certification | TUV CE, ABS, DB, ISO9001,CCS |
| Weight | 5kg | Brand Name | LONGTENG |
| Brand | LONGTENG | Packing | Plastic box |
| Price | USD 1 | Delivery Time | 15 WORKING DAYS |
| Product name | Carbon Steel Electrodes E4303 | OEM | Accept |
| Minimum Order Quantity | one pallet | Model | E4303 |
| Diameter | 2.0/2.5/3.2/4.0/5.0 |
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 |
≤ 0.20 |
≤ 1.20 |
≤ 1.00 |
≤0.035 | ≤0.040 |
≤ 0.30 |
≤ 0.20 |
≤ 0.30 |
≤ 0.08 |
| 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 |
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 |
