Kobelco NB-3J Stick electrode

Name: Stick electrode
Brand: Kobelco

Kobelco · Model NB-3J

NB-3J

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Kobelco Stick electrode

NB-3J Stick electrode. Suitable for 3.5%Ni steel

Official model: NB-3J

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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 3.5%Ni steel
Classification	AWS A5.5 E7016-C2L
Redrying Conditions	350-400°Cx1h
Identification color	1st Yellow green, 2nd Silver grey
Polarity	AC
Packaging data	φ mm \| Length mm \| kg/pack \| kg/carton \| g/piece \| carton mm; 3.2 \| 350 \| 5 \| 20 \| 32 \| 170W, 120H, 380L; 4.0 \| 400 \| 5 \| 20 \| 56 \| 170W, 110H, 430L
Composition (all-weld metal mass %)	\| Typical \| Guaranty a; C \| 0.05 \| 0.05; Si \| 0.36 \| 0.50; Mn \| 0.73 \| 1.25; P \| <0.01 \| 0.03; S \| <0.01 \| 0.03; Ni \| 3.50 \| 3.00-3.75; 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 \| 130-170 \| 110-150
All-weld mechanical properties	\| Typical \| Guaranty; 0.2%YS (MPa) \| 470 \| 440 \| 393min.; TS (MPa) \| 560 \| 530 \| 483min.; EI on 4d (%) \| 31 \| 35 \| 25min.; IV (J) \| -85°C:170 \| -100°C:140 \| -101°C:27min.; PWHT (°Cxh) \| AW \| 605x1 \| AW & 605±15x1