Product name:KF-550/KW-3
 
Classification:F7A2-EM12K
 
 

 

Applications and Features

 

(1)  General purpose flux designed to weld butt joints and both single and multiple pass fillets.

(2)  Good mechanical properties, deep penetration, good bead appearance, good slag removal and excellent X-ray quality welds.

(3)  Suitable for welding carbon steel and 490N/mm2 grade steel in ship-building, steel structures, bridges and pipes.

 

Welding Position

 

 

Welding Instruction

 

Please refer to Appendix E.

 

Typical Chemical Composition of Weld Metal (wt%)

 

C

Si

Mn

P

S

 

0.05

0.42

1.51

0.018

0.007

 

Typical Mechanical Properties of Weld Metal

 

Tensile Strength N/mm2

Yield Strength

N/mm2

Elongation

%

Charpy V-Notch

 

J

 

522

426

32

-18

91

 

-29

74

 

Size and Suggested Operating Range (AC/DC+)

 

 

 

 

 

 

 

 

 

Diameter (mm)

2.0

2.4

3.2

4.0

4.8

5.6

Current (A)

F/H-fillet

250~350

300~400

350~450

400~600

500~700

600~1000

                                 

 


 


No.8, Luke 3rd Rd., Luzhu Dist., Kaohsiung City 821, Taiwan (R.O.C.)      TEL:886-7-6955155      FAX:886-7-6955166

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