Kobelco LB-52A Stick electrode

Name: Stick electrode
Brand: Kobelco

Kobelco · Model LB-52A

LB-52A

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Kobelco Stick electrode

LB-52A Stick electrode. Better impact value

Official model: LB-52A

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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	Better impact value
Classification	AWS A5.1 E7016
Redrying Conditions	350-400°Cx1h
Identification color	1st Red, 2nd White
Polarity	AC, DCEP
Packaging data	φ mm \| Length mm \| kg/pack \| kg/carton \| g/piece \| carton mm; 3.2 \| 350 \| 5 \| 20 \| 31 \| 170W, 120H, 380L; 4.0 \| 400 \| 5 \| 20 \| 55 \| 170W, 110H, 430L; 5.0 \| 450 \| 5 \| 20 \| 96 \| 170W, 105H, 480L; 6.0 \| 450 \| 5 \| 20 \| 141 \| 170W, 105H, 480L
Composition (all-weld metal mass %)	\| Typical (AC) \| Guaranty a; C \| 0.08 \| 0.15; Si \| 0.57 \| 0.75; Mn \| 1.06 \| 1.60; P \| 0.012 \| 0.035; S \| 0.005 \| 0.035; Ni \| 0.01 \| 0.30; Cr \| 0.02 \| 0.20; Mo \| <0.01 \| 0.30; V \| <0.01 \| 0.08; Others b \| 1.09 \| 1.75; Note: a Single values are maximium. b Combined Limit for Mn+Ni+Cr+Mo+V
Welding parameters (A)	φ mm \| 1F, 1G, 2F, 2G \| 3G uphill, 4G; 3.2 \| 90-130 \| 80-120; 4.0 \| 130-180 \| 110-170; 5.0 \| 180-240 \| 150-200; 6.0 \| 250-310 \| -
All-weld mechanical properties	\| Typical (AC) \| Guaranty; 0.2%YS (MPa) \| 500 \| 430 \| 400min. \| 370min.; TS (MPa) \| 580 \| 530 \| 483min. \| 480min.; EI on 4d (%) \| 31 \| 33 \| 22min. \| 25min.; IV -29°C (J) \| 120 \| 150 \| 27min. \| 27min.; PWHT (°Cxh) \| AW \| 620x1 \| AW \| 620±15x1
Approvals / Click here for certificates	NK \| KMW53, H10