Kobelco MG-S80B2F Solid wire

Name: Solid wire
Brand: Kobelco

Kobelco · Model MG-S80B2F

MG-S80B2F

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Kobelco Solid wire

MG-S80B2F Solid wire. Applied for ASTM A387 Gr.11 and equivalents Suitable for 1 pass fillet welding in the panel fin tube fabrication Do not use for multi-pass welding

Official model: MG-S80B2F

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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	Applied for ASTM A387 Gr.11 and equivalents Suitable for 1 pass fillet welding in the panel fin tube fabrication Do not use for multi-pass welding
Classification	AWS A5.28 ER80S-B2
Shielding gas	Ar-2~5%O 2 , Ar-5~20%CO 2 mixture
Polarity	DCEP
Packaging data	φ mm \| Spool \| Drum; 0.9 \| 10kg \| 20kg \| - \| -; 1.0 \| 10kg \| 20kg \| 250kg \| -; 1.2 \| 10kg \| 20kg \| 250kg \| 400kg; 1.4 \| 10kg \| 20kg \| - \| -; 1.6 \| 10kg \| 20kg \| - \| 400kg; Volume mm \| 240W, 110H, 230L \| 280W, 110H, 270L \| 530φ, 820H \| 680φ, 770H
Composition (wire mass%)	\| Typical \| Guaranty a; C \| 0.11 \| 0.07~0.12; Si \| 0.50 \| 0.40~0.70; Mn \| 0.67 \| 0.47~0.70; P \| 0.004 \| 0.025; S \| 0.004 \| 0.025; Cr \| 1.40 \| 1.20~1.50; Ni \| 0.01 \| 0.20; Mo \| 0.55 \| 0.40~0.65; Cu \| 0.15 \| 0.35; Note: a Single values are maximium.
Welding parameters (A)	φ mm \| 1F, 1G, 2F \| 2G, 4G; 1.2 \| 240~300 \| 130~190
All-weld mechanical properties	\| Typical \| Guaranty; 0.2%YS (MPa) \| 550 \| 470min.; TS (MPa) \| 650 \| 550min.; El on 4d (%) \| 28 \| 19min.; IV -18°C (J) \| 140 \| -; PWHT (°Cxh) \| 620x1 \| 620±15x1; SG \| Ar-2%O 2 \| Ar-2%O 2