Kobelco; AWS A5.23 F7P15-ENi3-Ni3; PF-H203/ US-203E; SAW (flux and wire combination)


Description

Features:
  • Suitable for multi-layer butt welding of 3.5% Ni steel
  • Excellent impact value down to -100°C after PWHT
Classification: AWS A5.23 F7P15-ENi3-Ni3
Type of flux: Bonded
Redrying of flux: 200-300°Cx1h
Polarity: AC

 

Packaging data

Flux Mesh Can Wire φ mm Coil
PH-H203 10x48 20kg US-203E 4.0 25kg
Volume mm 240W, 350H, 240L Volume mm 430W, 90H, 430L

Composition (wire mass%)

  Typical Guarantya
C 0.06 0.13
Si 0.18 0.05-0.30
Mn 0.98 0.60-1.20
P 0.005 0.020
S 0.002 0.020
Ni 3.48 3.10-3.80
Cr 0.03 0.15
Cu 0.11 0.35
Note: aSingle values are maximium.

Composition (weld metal mass %)

  Typical Guarantya
C 0.04 0.12
Si 0.21 0.80
Mn 0.73 1.60
P 0.008 0.030
S 0.004 0.025
Ni 3.35 2.80-3.80
Cr 0.02 0.15
Cu 0.10 0.35
Note: aSingle values are maximium.

Weld mechanical properties

  Typical Guaranty
0.2%YS (MPa) 440 400min.
TS (MPa) 530 483-655
EI on 4d (%) 34 22min.
IV -101°C (J) 130 27min.
PWHT (°Cxh) 610x1 620±15x1

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