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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

Category:
EF-100S×KD-43
EF-200K×KD-42

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

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