Kobelco; AWS A5.23 F8A4-EA4-A4, F8P2-EA4-A4 ; MF-38 / US-A4; SAW (flux and wire combination)
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Kobelco; AWS A5.23 F8A4-EA4-A4, F8P2-EA4-A4 ; MF-38 / US-A4; SAW (flux and wire combination)

Kobelco; AWS A5.23 F8A4-EA4-A4, F8P2-EA4-A4 ; MF-38 / US-A4; SAW (flux and wire combination)

Description

Features:
  • Suitable for butt and fillet welding
  • Applicable for 0.5%Mo steel
Classification: AWS A5.23 F8A4-EA4-A4, F8P2-EA4-A4
Type of flux: Fused
Redrying of flux: 150-350°Cx1h
Polarity: AC

 

Packaging data

Flux Mesh Can Wire φ mm Coil
MF-38 12x65 25kg US-A4 3.2 25kg

20x200 25kg
4.0 25kg

20xD 25kg
4.8 25kg
Volume mm 240W, 350H, 240L Volume mm 430W, 90H, 430L

Composition (wire mass%)

  Typical Guarantya
C 0.09 0.07-0.12
Si 0.04 0.05
Mn 1.59 1.25-1.70
P 0.01 0.025
S 0.014 0.025
Ni 0.02 0.25
Cr 0.04 0.15
Mo 0.52 0.45-0.60
Cu 0.10 0.35
Note: aSingle values are maximium.

Composition (weld metal mass %)

  Typical Guarantya
C 0.10 0.15
Si 0.39 0.80
Mn 1.35 1.60
P 0.013 0.030
S 0.013 0.030
Mo 0.52 0.40-0.65
Cu 0.11 0.35
Note: aSingle values are maximium.

Weld mechanical properties

  Typical  Guaranty
0.2%YS (MPa) 520 510 469min.
TS (MPa) 640 600 552-689
EI on 4d (%) 28 29 20min.
IV (J) -40°C: 37 -51°C: 40 -40°C: 27min. -51°C: 27min.
PWHT (°Cxh) AW 620x1 AW 620±15x1

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