KJF-615

Description

Weld Metal Chemical Analysis (%)
Flux + Wire C Si Mn Mo
KJF – 615+ KJS – 124 ( S2Mo ) 0.04 – 0.06 0.25 – 0.35 1.65 – 1.9 0.40 – 0.50

 

Weld Metal Mechanical Properties
Flux + Wire U.T.S. Y.T.S. EL Charpy test
( Mpa) ( Mpa) (%) RT -30°C -40°C -50°C
KJF – 615 + KJS – 124 ( S2Mo ) 620 – 635 540 – 565 22 – 24 70-90 55-75 40 – 55

 

Technical Specifications
Basicity Index 1.5 According to Boniszewski formula
Density 1.25 Kg/dm3
Re-drying 350 ± 25o C /2hr
Current AC / DCEP
Packing 25 Kg bag (3 layers) / other sizes as per buyer’s order

 

Advantages

Basic Aluminate Agglomerated Flux

Excellent slag detachability even in high temperature with homogenous weld bead without undercut.

Suitable for Spiral and longitudinal welding thick oil and gas pipes up to X80 grade

Outstanding properties in combination with TB content wire in four wires welding (sour gas pipe welding)

Additional information

basicity

Based on the Boniszewski 1.5 formula

density

Kg/dm3 1.25

annealing conditions

350 ± 25o C /2hr

welding current type

AC / DCEP

packaging

25kg three-layer bag – other packaging according to order