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THY-A309LQ

THY-A309LQ

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Applications：

For welding of ultra-low carbon’s SUS309L stainless steel and dissimilar steel (304L+ low carbon steel).

 Characteristics: 

THY-A309LQ is stainless steel flux cored wire with ultra-low carbon. Can be weld for all position by DC+ only. It have excellent welding performance as good arc stiffness, little spatter, easy slag removal etc., and perfect intercrystalline corrosion resistance of deposited metal.

 Attention:

1. Wire extention is 20mm, shield gas flow should be in 20L/min to 25L/min.

2. Interpass temperature is lower than 120℃

 Chemical Composition of All Weld Metal：(Wt. %)

Items

C

Mn

Si

S

P

Ni

Cr

Mo

Cu

Requirements

≤

0.04

0.5-

2.5

≤

1.00

≤

0.03

≤

0.04

12.0-

14.0

22.0-

25.0

≤

0.5

≤

0.5

Typical Results

0.03

1.49

0.62

0.005

0.028

12.87

22.70

0.06

0.15

 Mechanical Properties of All Weld Metal：

Item

Rel/Rp0.2/MPa

Rm/MPa

A/%

KV2(-40℃)/J

Requirements

≥345

≥520

≥25

≥35

Typical Results

460

550

32

55

Content of ferrite in all weld metal:

FN3-10%

Typical Operating Procedures：

Diameter (mm)

1.2

1.6

Current (A)

140-240

200-300

Voltage (V)

24-30

26-32

 Classification of Society Certification:

Ship Inspection Agency

ABS

CCS

BV

DNV.GL

Recognition Level

E309LTI-1

309L

S309L

VL 309L

100000 in stock
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