Kobelco; AWS A5.22 E309LT0-1/4; DW-309L; FCAW(Flux cored wire)


Description

Features:
  • Suitable for dissimilar-metal joint and underlaying on ferritic steels
Classification: AWS A5.22 E309LT0-1/4
Shielding gas: CO2 or Ar-CO2
Polarity: DCEP

 

Packaging data

φ mm Spool Drum
0.9 5kg 12.5kg
- -
1.2 - 12.5kg
150kg -
1.6 - 12.5kg
- 200kg
Volume mm 235W, 110H, 230L 295W, 110H, 295L
530φ, 820H
680φ, 770H

Composition (all-weld metal mass %)

  Typical (CO2) Guarantya
C 0.03 0.04
Si 0.6 1.0
Mn 1.2 0.5-2.5
P 0.02 0.04
S <0.01 0.03
Ni 12.4 12.0-14.0
Cr 23.8 22.0-25.0
Mo 0.03 0.75
Cu 0.02 0.75
Bi >0.002 -
Note: aSingle values are maximium.

Welding parameters (A)

φ mm 1F, 1G, 2F 2G
0.9 80-150 90-130
1.2 130-270 150-220
1.6 190-320 220-270

All-weld mechanical properties

  Typical (CO2) Guaranty
0.2%YS (MPa) 450 -
TS (MPa) 580 518min.
EI on 4d (%) 33 30min.

Approvals / Click here for certificates

ABS MG
LR SS/CMn S(CHEM) (CO2)
SS/CMn S(CHEM) ,
Dup/CMnS(CHEM) (Ar-CO2)
DNV VL309L
BV UP
NK KW309LG(C)
CWB E309LT0-1, E309LT0-4
Note: CO2, except in LR/CWB

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