Explore modelMF-38 / US-40Kobelco
Flux and wire combination
MODEL MF-38 / US-40
- Features
- Applied for ASTM A204 Gr. A, B, C and equivalents
- Classification
- AWS A5.23 F8P6-EA3-A3, F9A6-EA3-A3
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Kobelco
Kobelco TG-X309L Welding consumable
Kobelco · Model TG-X309L
TG-X309LRequest a quotation
Kobelco Welding consumable
TG-X309L Welding consumable. Applicable for dissimilar-metal joint of stainless steels and ferritic steels Suitable for root pass in one-side welding without back shielding In order to avoid defects, TG-X filler rod must be moved quickly at short pitch, unlike TIG filler rod
- Official model
- TG-X309L
Pricing, model selection, stock and delivery are confirmed in your quotation.
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 | Applicable for dissimilar-metal joint of stainless steels and ferritic steels Suitable for root pass in one-side welding without back shielding In order to avoid defects, TG-X filler rod must be moved quickly at short pitch, unlike TIG filler rod |
|---|---|
| Classification | AWS A5.22 R309LT1-5 |
| Shielding gas | Ar |
| Identification color | Yellow green |
| Polarity | DCEN |
| Packaging data | | Tube; φ mm | kg | Length mm | g/piece | Volume mm; 2.2 | 5 | 1,000 | 26 | 42W, 35H, 1015L |
| Composition (all-weld metal mass %) | | Typical | Guaranty a; C | 0.02 | 0.03; Si | 0.8 | 1.2; Mn | 1.4 | 0.5-2.5; P | 0.02 | 0.04; S | <0.01 | 0.03; Ni | 12.1 | 12.0-14.0; Cr | 23.7 | 22.0-25.0; Mo | 0.02 | 0.75; Cu | 0.04 | 0.75; Bi | >0.002 | -; Note: a Single values are maximium. |
| Welding parameters (A) | thickness mm | 3-5 | 6-9 | Over 10; current A | 80-90 | 90-105 | 90-110 |
| All-weld mechanical properties | | Typical | Guaranty; 0.2%YS (MPa) | 530 | -; TS (MPa) | 680 | 518min.; EI on 4d (%) | 32 | 30min. |
Key features
Applicable for dissimilar-metal joint of stainless steels and ferritic steels
Suitable for root pass in one-side welding without back shielding
In order to avoid defects, TG-X filler rod must be moved quickly at short pitch, unlike TIG filler rod
Manufacturer reference
View official product informationCatalogues & documents
Manufacturer document reference OEM websiteAdditional datasheets and model-specific manuals can be requested with your quotation.
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How is availability confirmed?
The model shown identifies the manufacturer product. Stock, variant, pricing and delivery are confirmed in the quotation.
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