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SAW

PF-200D / US-B2R

Flux and wire combination for 1-1.25%Cr-0.5%Mo steel

Features:	Applied for ASTM A387 Gr.11 and equivalents Satisfied the impurity elements index (X-factor≦15) for Oil reactors
Classification:	AWS A5.23 F8P2-EB2R-B2R
Type of flux:	Bonded
Redrying of flux:	200~300℃x1h
Polarity:	DCEP

Welding Positions:

Packaging data

Flux	Mesh	Can	Wire	φ mm	Coil
PF-200D	10x48	20kg	US-B2R	2.4 3.2 4.0	25kg 25kg 25kg	- - 75kg
Volume mm		240W, 350H, 240L	Volume mm		430W, 90H, 430L	740W, 110H, 740L

Composition (wire mass%)

	Typical	Guaranty^a
C	0.14	0.07~0.15
Si	0.10	0.05~0.30
Mn	0.86	0.45~1.00
P	0.004	0.010
S	0.004	0.010
Cr	1.47	1.00~1.75
Mo	0.56	0.45~0.65
Cu	0.12	0.15
As	0.003	0.005
Sn	0.001	0.005
Sb	0.001	0.005
Note: ^aSingle values are maximium.

Composition (weld metal mass %)

	Typical	Guaranty^a
C	0.10	0.05~0.15
Si	0.21	0.80
Mn	0.86	1.20
P	0.007	0.010
S	0.002	0.010
Cr	1.44	1.00~1.50
Mo	0.55	0.40~0.65
Cu	0.10	0.15
As	0.003	0.005
Sn	<0.001	0.005
Sb	<0.001	0.005
Note: ^aSingle values are maximium.

Weld mechanical properties

	Typical	Guaranty
0.2%YS (MPa)	500	469min.
TS (MPa)	610	552~689
El on 4d (%)	27	20min.
IV -29℃ (J)	140	27min.
PWHT (℃xh)	698x1	690±15x1

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