Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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LT·J502 2.0/2.5/3.2/4.0/5.0 mm Carbon Steel Electrodes
E5003( ESJ502) is titanium skin of calcium medicine carbon steel electrode, ac/dc use, can all position of welding, arc stability, little splash, easy to take off the slag, weld moulding beauty. USES: It is mainly used in the same level of common low carbon steel and low alloy steel welding.
E5003 Carbon Steel Welding Electrode is used for welding low-alloy high strength steel of 50KG grade (490MPa).
Conform with: GB E5003 JIS D5003
E5003 Carbon Steel Welding Electrode J502 mainly used for welding 490MPa tensile strength low-alloy steel structures, such as welding on deformed steel bars for construction and other steel of 16Mn type, etc.
Chemical composition of deposited metal
LT·J502 Conform to Standard
GB/T 5117 E5003
ISO 2560-B-E 49 03 A
Purpose:Used for welding all kinds of 490MPa low-alloy structures
Mechanical Properties of Deposited Metal
| Test Item | Rm(MPa) | ReL(MPa) | A(%) | KV2(J) |
| 0℃ | ||||
| Guarantee Value | ≥490 | ≥400 | ≥20 | ≥47 |
| General Result | 530 | 440 | 26 | 85 |
Chemical Composition(%)
| Chemical Composition | C | Mn | Si | S | P | Ni | Cr | Mo | V |
| Guarantee Value |
≤ 0.15 |
≤ 1.25 |
≤ 0.90 |
≤0.035 | ≤0.040 |
≤ 0.30 |
≤ 0.20 |
≤ 0.30 |
≤ 0.08 |
| General Result | 0.95 | 0.72 | 0.27 | 0.015 | 0.022 | 0.025 | 0.036 | 0.010 | 0.008 |
X-Ray Radio-graphic Test Requirements:Grade II
Reference Current(AC,DC)
| Diameter(mm) | Φ2.5 | Φ3.2 | Φ4.0 | Φ5.0 |
| Amperage(A) | 60~100 | 80~140 | 140~220 | 180~240 |