EF-200×KD-40(41)
Active flux for limited pass welding of ship buildings, bridges, structural steels and general fabrications. Excellent impact toughness and crack resistibility. Applicable to one-side welding.
KSB ISO 14171 : S 42 4 AB SZ(S1)
AWSA5.17 : F7A(P)4-EL8(EL12)
ENISO 14171 : S 42 4 AB SZ(S1)
JISZ 3183 : S502-H

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.4~4.8 AWS A5.17
EN ISO 14171
JIS Z 3183
KS B ISO 14171
F7A(P)4-EL8(EL12)
S 42 4 AB SZ(S1)
S502-H
S 42 4 AB SZ(S1)
F DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.06 0.28 1.35 0.024 0.012
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
470 550 32 80 (-40℃)
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
2.4mm 250 500 28 32
3.2mm 300 650 28 32
4.0mm 400 1200 30 34
4.8mm 500 1400 32 36