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


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: DCEP

 

Packaging data

Flux Mesh Can
PF-90B91 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 0.08 0.08~0.13
Si 0.26 0.80
Mn 0.72 1.20
P 0.005 0.010
S 0.005 0.010
Cu 0.01 0.25
Ni 0.12 0.80
Cr 8.93 8.0~10.5
Mo 1.01 0.85~1.20
V 0.18 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 0.84 1.40
Co 0.36 -
Note: aSingle values are maximium.

All-weld mechanical properties


Typical Guaranty
0.2%YS (MPa) 590 538min.
TS (MPa) 730 621~758
El on 4d (%) 25 17min.
PWHT (℃xh) 760x2 760±15x2

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