FL 880

Category 
SAW Submerged arc
type 
Fused flux for SAW welding stainless steels and Nickel based alloys
applications 
Vessels, tanks, boilers, steam turbines, shafts, valves, cladding steel rollers with stainless steel and Nickel based alloys
Properties 

Excellent welding properties with stainless steel wires and nickel alloys with neutral action on weld metal chemistry. This fused flux is also preferred for use with niobium stabilized welding wires that usually creates problems by leaving slag residues on the weld seam.
.

Basicity: About 1.3 (according to boniszewski)
Current: DC by preference upto 900 Ampere (1 wire)
Grain size: Acc. DIN EN 760: 1-16

 

classification
EN ISO 
14174: SF CS 2 DC H5
Suitable for 

FL 880 can be used for a weight range of applications: black and white joints as steel to stainless steel, creep resistant steels, stainless and nickel based wires ranging from :308L, 316L, 347, 309L, 309LNb, Duplex 2209, Alloy 625, Alloy C-276 and practically all other simmilar grades. Excellent results are also obtained by using FL 880 with S2 Mo, SA CrMo5, and P91/92 type of wires.

approvals 
CE approved
welding positions: 
analysis according EN ISO 15792-1:

With wire type

C

Si

Mn

Cr

Ni

Mo

Nb

N

V

W

SA 308L

<0.03

<1.0

<1.6

18.5-20.5

9-11

SA 347

<0.06

<1.0

<1.6

18.5-20.5

9-11

12x%C

SA 316L

<0.03

<1.0

<1.6

17.5-19.5

11-14

>2.5

SA 318

<0.06

<1.0

<1.6

17.5-19.5

12-14

12x%C

SA 309L

<0.03

<1.0

<1.6

22-24.5

12-14

SA 2209

<0.03

<1.0

<1.6

20.5-23.5

>2.5

<0.2

S2 Mo

<0.08

<0.5

<1.0

0.5

SA CrMo5

<0.08

<0.7

<0.6

5.5

0.6

SA CrMo9

<0.15

<0.8

<1.0

8-10

>1.2

<0.3

SA CrMoWV12

<0.2

<0.6

<1.0

11

1.0

0.3

0.5

SA Nicro 625

<0.04

<0.6

<0.5

20-22.5

>58

8-10

SA Alloy 276

<0.025

<0.4

<1.0

14.5-16

>50

15-17

4
redrying temperature 
150-250ºC / 1-2hr (usualy not required)
welding parameters

Welding Parameters

D (mm)

Voltage (V)

Current (A)

Speed cm/min

2.4

29-33

300-400

35-60

3.2

29-33

350-500

35-60

4.0

30-36

400-600

35-60
packing
25 kg PTFE perfectly sealed bags
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