Kobelco; AWS A5.23 F9PZ-EB91-B91; PF-200S / US-90B91; SAW (flux and wire combination); P91 Welding SAW Wire


Description

Features:
  • Applied for ASTM A387 Gr.91 and equivalents
  • Excellent creep rupture strength
Classification: AWS A5.23 F9PZ-EB91-B91
Type of flux: Bonded
Redrying of flux: 200~300℃x1h
Polarity: AC

 

Packaging data

Flux
Mesh
Can
PF-200S
10x48
20kg
Volume mm
240W, 350H, 240L
Wire
φ mm Coil
US-90B91
2.4
3.2
25kg
25kg
Volume mm
430W, 90H, 430L

Composition (wire mass%)


Typical
Guarantya
C
0.11
0.07~0.13
Si
0.29
0.50
Mn 0.51
1.00
P 0.005
0.015
S
0.004
0.015
Cu
<0.01
0.10
Ni
0.14
1.00
Cr
8.95
8.5~10.5
Mo
1.00
0.85~1.15
V
0.19
0.15~0.25
Al
<0.002
0.04
Nb
0.06
0.02~0.10
N 0.04
0.03~0.07
Mn+Ni 0.65
1.40
Co 0.39
-
Note: aSingle values are maximium.

Composition (weld metal mass %)


Typical
Guarantya
C
0.09
0.08~0.13
Si
0.25
0.80
Mn 0.66
1.20
P 0.005
0.010
S 0.005
0.010
Cu 0.01
0.25
Ni 0.12
0.80
Cr 9.01 8.0~10.5
Mo 1.01
0.85~1.20
V 0.19
0.15~0.25
Al <0.01
0.04
Nb 0.05
0.02~0.10
N 0.04
0.02~0.07
Mn+Ni 0.78
1.40
Co 0.36
-
Note: aSingle values are maximium.

All-weld mechanical properties


Typical
Guaranty
0.2%YS (MPa)
600 538min.
TS (MPa)
730 621~758
El on 4d (%) 23 17min.
PWHT (℃xh) 760x2
760±15x2

 

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