Kobelco; AWS A5.23 F9A8-EG-Ni2, PF-H62AK / US-2N; SAW (flux and wire combination)


Description

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 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 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

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