Kobelco; AWS A5.22 E309LT1-1/4; DW-309LP; FCAW (Flux cored wire)


Description

Features:
  • Suitable for dissimilar-metal joint and underlaying on ferritic steels
Classification: AWS A5.22 E309LT1-1/4
Shielding gas: CO2 or Ar-CO2
Polarity: DCEP

 

Packaging data

φ mm Spool
1.2 12.5kg
Volume mm 295W, 110H, 295L

Composition (all-weld metal mass %)

  Typical (CO2) Guarantya
C 0.02 0.04
Si 0.8 1.0
Mn 0.8 0.5-2.5
P 0.02 0.04
S <0.01 0.03
Ni 12.4 12.0-14.0
Cr 23.2 22.0-25.0
Mo 0.02 0.75
Cu 0.02 0.75
Bi >0.002 -
Note: aSingle values are maximium.

Welding parameters (A)

φ mm 1F, 1G, 2F 2G 3G uphill 4G
1.2 130-270 150-220 130-220 150-200

All-weld mechanical properties

  Typical (CO2) Guaranty
0.2%YS (MPa) 430 -
TS (MPa) 570 518min.
EI on 4d (%) 38 30min.

Approvals / Click here for certificates


CO2 Ar-CO2
ABS MG(AWS A5.22 E309LT1-1) MG(AWS A5.22 E309LT1-4)
LR SS/CMn S(CHEM & CRYO), 
Dup/CMnS(Chem)
SS/CMn S(Chem) 
DNV VL309L VL309L
BV 309L,UP -
NK KW309LG(C) -
KR RW309LG(C) -
CCS 309L,UP -
CWB E309LT1-1 E309LT1-4

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