
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
Kobelco · Model PF-H62AK / US-2N
PF-H62AK / US-2NPF-H62AK / US-2N Flux and wire combination. Suitable for welding of structures for low temperature service Excellent impact value down to -60℃ in the as-welded and PWHT conditions
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.
| Features | Suitable for welding of structures for low temperature service Excellent impact value down to -60℃ in the as-welded and PWHT conditions |
|---|---|
| Classification | AWS A5.23 F9A8-EG-Ni2, F9P8-EG-Ni2 |
| Type of flux | Bonded |
| Redrying of flux | 200~300℃x1h |
| Polarity | AC |
| Packaging data | Flux | Mesh | Can | ; PF-H62AK | 10x48 | 20kg | ; Volume mm | 240W, 350H, 240L | ; Wire | φ mm | Coil; US-2N | 3.2 4.0 4.8 | 25kg 25kg 25kg | - 75kg -; Volume mm | 430W, 90H, 430L | 740W, 110H, 740L |
| Composition (wire mass%) | | Typical | Guaranty a; C | 0.12 | 0.15; Si | 0.01 | 0.10; Mn | 1.70 | 1.50~1.90; P | 0.007 | 0.015; S | 0.004 | 0.015; Ni | 2.60 | 2.40~2.80; Mo | 0.25 | 0.20~0.30; Cu | 0.10 | 0.35; Note: a Single values are maximum. |
| Composition (weld metal mass %) | | Typical; C | 0.08; Si | 0.17; Mn | 1.31; P | 0.005; S | 0.003; Ni | 2.33; Mo | 0.22; Cu | 0.11 |
| Weld mechanical properties | | Typical | Guaranty; 0.2%YS (MPa) | 615 | 575 | 538min.; TS (MPa) | 690 | 650 | 621~758; El on 4d (%) | 26 | 30 | 17min.; IV -62℃ (J) | 170 | 160 | 27min.; PWHT (℃xh) | AW | 620x2 | AW & 620±15x2 |
Suitable for welding of structures for low temperature service
Excellent impact value down to -60℃ in the as-welded and PWHT conditions
Additional datasheets and model-specific manuals can be requested with your quotation.
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The model shown identifies the manufacturer product. Stock, variant, pricing and delivery are confirmed in the quotation.

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