Kobelco; AWS A5.23 F8A4-EG-A4, F8P2-EG-A4 ; MF-38 / US-49; SAW (flux and wire combination)
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Kobelco; AWS A5.23 F8A4-EG-A4, F8P2-EG-A4 ; MF-38 / US-49; SAW (flux and wire combination)

Kobelco; AWS A5.23 F8A4-EG-A4, F8P2-EG-A4 ; MF-38 / US-49; SAW (flux and wire combination)

Description

Features:
  • Suitable for butt and fillet welding
  • Applicable for 0.5%Mo steel
Classification: AWS A5.23 F8A4-EG-A4, F8P2-EG-A4
Type of flux: Fused
Redrying of flux: 150-350°Cx1h
Polarity: AC

 

Packaging data & Type of flax

Flux Mesh Can Wire φ mm Spool Coil
MF-38 12x65 25kg US-49 1.6 - 20kg - -

20x200 25kg
2.4 10kg - 25kg -

20xD 25kg
3.2 - - 25kg
 76kg




4.0 - - 25kg
 75kg




4.8 - - 25kg
 75kg




6.4 - - 25kg
 -
Volume mm 240W, 350H, 240L Volume mm 240W, 110H, 240L 300W, 110H, 300L 430W, 90H, 430L 740W, 110H, 740L

Composition (wire mass%)

  Typical Guarantya
C 0.10 0.07-0.12
Si 0.03 0.05
Mn 1.58 1.25-1.80
P 0.009 0.025
S 0.011 0.025
Ni 0.02 0.25
Cr 0.05 0.15
Mo 0.52 0.45-0.60
Cu 0.12 0.35
Note: aSingle values are maximium.

Composition (weld metal mass %)

  Typical Guarantya
C 0.10 0.15
Si 0.37 0.80
Mn 1.35 1.60
P 0.014 0.030
S 0.014 0.030
Mo 0.53 0.40-0.65
Cu 0.09 0.35
Note: aSingle values are maximium.

Weld mechanical properties

  Typical Guaranty
0.2%YS (MPa) 520 510 470min.
TS (MPa) 640 600 550-690
EI on 4d (%) 28 29 20min.
IV (J) -40°C: 37 -51°C: 40 -40°C: 27min. -51°C: 27min.
PWHT (°Cxh) AW 600x3 AW 620±15x1

Approvals / Click here for certificates

ABS 3YM
LR 3YM
DNV ⅢYM
BV A3YM
NK KAW3Y46M H10
CCS 3YM
Note: Single electrode

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