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WD-SJ602 Sintering flux for submerged arc welding
WD-SJ602 Sintering flux for submerged arc welding

Costa-Rica WD-SJ602 Sintering flux for submerged arc welding

WD-SJ602 is a fluoroalkali type alkaline sintering flux with an alkalinity of about 2.5. The appearance is 10-60 mesh (2.0-0.28mm) milky yellow spherical particles.

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Costa-Rica· Hard Surfacing

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Product Description

Standards：

GB/T17854　　AWSA5.9M　　ER2209

 

Introduction：

WD-SJ602 is a fluoroalkali type alkaline sintering flux with an alkalinity of about 2.5. The appearance is 10-60 mesh (2.0-0.28mm) milky yellow spherical particles. The flux is welded with ER2209 wire, the deposited metal is pure and the burned elements are less; it has high tensile strength and yield strength; the experimental data meets the American standard (AWS); it has relatively high ferrite content; the slag shell is buckled after welding; the slag is easily removed from the narrow gap; the weld seam is beautifully formed; the arc burning is stable; it has good resistance to moisture absorption, with high particle strength, small loose packing density and low flux consumption during welding.

 

Applications：
It can be used for welding petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, and ships for chemical industry.

 

Flux chemical composition reference value(%)：

SiO2+TiO2

CaO+MgO

Al203+MnO

CaF2

S

P

15.2

35.2

29.8

19.6

≤0.06

≤0.08


Reference values for mechanical properties of molten metal：

Mating wire

Yield strength
(MPa)

Tensile strength
(MPa)

Elongation
(%)

KV2 (J)

-20°C

ER2209

σ0.2560

σ1.0600

740

30

75


Notice：

1. The flux shall be baked at 300-350°C for 2 hours before use.

2. Rust, oil, water and other impurities should be removed from the welded parts before welding.
 

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