CEWELD


FL 839 SAW Arc Submerged




FL 839

 
CATEGORY 
TYPE 
Agglomerated high basic flux for SAW welding with Nickel based wires
APPLICATIONS 
Joining and cladding of: – Nickel-base alloys using NiCr- and NiCrMo- wire electrodes acc. to AWS A5.14 / EN ISO 18274 – Welding dissimilar steels such as low alloy steel with Nickel base alloys.
PROPERTIES 

High basic agglomerated welding flux - specially designed for a weight range of nickel alloys. This extra high basic flux produces smooth flat weld beads if appropriate welding parameters are used. The surface of the weld seam is free from slag inclusions and residues and is finely rippled.
The metallurgical behavior of the flux is neutral (C-neutral, very low Si pick-up and low Mn burn-out) without Cr- or other alloy compensation. Due to the use of prefused raw materials the flux is able to produce extreme low P and S values in the weld deposit which reduces the risk of hot cracking when welding sensitive Ni-base alloys

 

Basicity: About 3.3 (according to boniszewski)
Current: DC+ by preference upto 600 Ampere (1 wire)

Grainsize Acc. DIN EN 760: 2-16

CLASSIFICATION
EN ISO 
14174: S A FB 2 DC
760: SA FB 2 DC
SUITABLE FOR 

Nickel based welding wires that are covered in AWS A 5.14 such as alloy 82, Inconel 600, 625, 601, 825, C276, alloy 59 etc.

APPROVALS 
CE approved
WELDING POSITIONS: 
ANALYSIS ACCORDING EN ISO 15792-1:

With wire type

C

Si

Mn

Cr

Ni

Mo

Nb

Fe

SA Nicro 625

<0,04

<0,5

<0,5

20,0-22,50

Rem

8,5-9,5

3,0-3,5

<5,0

MECHANICAL PROPERTIES

AW

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Hardness

with wire type

(N/mm2)

(N/mm2)

(%)

20°C

-60°C

-196°C

HRc / HV

SA Nicro 625

>430

>700

>30

>70

>60

>32

 
AW : as welded
REDRYING TEMPERATURE 
350ºC / 2hr
WELDING PARAMETERS

Welding Parameters

D (mm)

Voltage (V)

Current (A)

Speed cm/min

1,6

26-27

250

50

2,0

27-28

300

50

2,4

27-28

360

50

PACKING
15 kg PTFE perfectly sealed bags or 30 kg metallic sealed buckets.







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