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WD-SJ618 Sintering flux for submerged arc welding
WD-SJ618 Sintering flux for submerged arc welding

Samoa WD-SJ618 Sintering flux for submerged arc welding

WD-SJ618 is a kind of alkali degree of about 2.8 aluminum fluorine type sintering flux, used for low carbon steel

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Samoa· Hard Surfacing

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Product Description

Standards：
GB/T17854　　F309L-H00Cr24Ni13　　F347L-H00Cr21Ni10Nb

 

Introduction：
WD-SJ618 is a kind of alkali degree of about 2.8 aluminum fluorine type sintering flux, used for low carbon steel, low alloy steel on the stainless steel transition layer and corrosion resistant layer of electroslag with electrode overlay welding. The flux has very little burnout of chromium in the deposited metal, and does not increase carbon or silicon, and very little burnout of manganese, and its metallurgical properties are neutral.

 

Applications：

Electroslag overlay welding of stainless steel with electrodes for chemical vessels, hydrogenation reactor inner walls and pipe plates.

 

Flux chemical composition reference value(%)：

SiO2+TiO2

CaO+MgO

Al203+MnO

CaF2

S

P

10

-

35

50

≤0.06

≤0.08

 

Reference value of chemical composition of cladding metal(%)：

Welding tape

C

Si

Mn

Cr

Ni

Nb

S

P

H00Cr24Ni13

≤0.04

≤1.0

≤2.5

18-21

9-11

-

≤0.03

≤0.03

H00Cr21Ni10Nb

≤0.04

≤1.0

≤2.5

18-20

9-11

8*C%-10

≤0.03

≤0.03

 

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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