Kobelco LB-76 Stick electrode

Name: Stick electrode
Brand: Kobelco

Kobelco · Model LB-76

LB-76

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Kobelco Stick electrode

LB-76 Stick electrode. Suitable for butt and fillet welding of 520MPa high tensile steel

Official model: LB-76

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Individual manufacturer designation and recorded specifications sourced from the official OEM website on 10 October 2026. Supply terms, regional configuration and application suitability are confirmed by quotation. The source does not publish a separate article SKU for this record. OEM photograph unavailable; the image is explicitly labelled model-reference artwork.

Technical information

Features	Suitable for butt and fillet welding of 520MPa high tensile steel
Classification	-
Redrying Conditions	300-350°Cx0.5-1h
Identification color	1st Blue white, 2nd Green
Polarity	AC, DCEP
Packaging data	φ mm \| Length mm \| kg/pack \| kg/carton \| g/piece \| carton mm; 3.2 \| 350 \| 5 \| 20 \| 33 \| 170W, 120H, 380L; 4.0 \| 400 \| 5 \| 20 \| 58 \| 170W, 110H, 430L; 5.0 \| 450 \| 5 \| 20 \| 102 \| 170W, 110H, 480L; 6.0 \| 450 \| 5 \| 20 \| 145 \| 170W, 110H, 480L
Composition (all-weld metal mass %)	\| Typical (AC) \| Guaranty a; C \| 0.08 \| 0.05-0.10; Si \| 0.58 \| 0.30-0.75; Mn \| 1.30 \| 1.00-1.50; P \| 0.01 \| 0.03; S \| 0.01 \| 0.03; Ni \| 0.01 \| 0.30; Cr \| 0.03 \| 0.20; Mo \| <0.01 \| 0.30; V \| 0.01 \| 0.08; Note: a Single values are maximium.
Welding parameters (A)	φ mm \| 1F, 1G, 2F, 2G \| 3G uphill, 4G; 3.2 \| 90-130 \| 80-120; 4.0 \| 140-190 \| 120-180; 5.0 \| 190-250 \| -; 6.0 \| 250-320 \| -
All-weld mechanical properties	\| Typical (AC) \| Guaranty; 0.2%YS (MPa) \| 510 \| 393min.; TS (MPa) \| 600 \| 483min.; EI on 4d (%) \| 29 \| 25min.; IV -29°C (J) \| 110 \| -