Kobelco; AWS A5.23 F9A8-EG-Ni2, F9P8-EG-Ni2; PF-H62AS / US-2N (flux and wire combination)


Description

Features:
  • Suitable for welding of structures for low temperature service
  • Excellent impact value down to -60℃ and CTOD at temperatures down  to -20℃
Classification: AWS A5.23 F9A8-EG-Ni2, F9P8-EG-Ni2
Type of flux: Bonded
Redrying of flux: 200~300℃x1h
Polarity: DCEP

 

Packaging data

Flux Mesh Can
PF-H62AS 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 Guarantya
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: aSingle values are maximium.

Composition (weld metal mass %)


Typical
C 0.05
Si 0.25
Mn 1.30
P 0.011
S 0.005
Ni 2.46
Mo 0.24
Cu 0.10

Weld mechanical properties


Typical Guaranty
0.2%YS (MPa) 568 550 538min.
TS (MPa) 648 635 621~758
El on 4d (%) 29 30 17min.
IV -62℃ (J) 120 110 27min.
PWHT (°Cxh) AW 620x2 AW & 620±15x2

Approvals / Click here for certificates


Single Tandem
ABS 5YQ500 H5 5YQ500 H5
LR 5Y50M H5 5Y50M H5
DNV ⅤY50M H5 ⅤY50 H5
BV A5Y50M H5 A5Y50M H5
NK KAW5Y50M H5 KAW5Y50M H5
CCS 5Y50M H5 5Y50M H5

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