KK-50LF

Welding of 490MPa class high tensile steel of ships, buildings and high resistance to crack

KS        D 7006 : E5016
AWS   A5.1 : E7016
EN      ISO 2560-A : E42 3 B 12 H10
EN      ISO 2560-B : E49 16 A U H10
JIS      Z 3211 : E4916

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Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.6~6.0 KS D 7006
AWS A5.1
EN ISO 2560-A
EN ISO 2560-B
JIS Z 3211
E5016
E7016
E42 3 B 12 H10
E49 16 A U H10
E4916
F, HF, H, VU, OH AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.07 0.53 0.93 0.013 0.012 0.03 0.02 0.01
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
480 560 32 80 (-30℃)
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.6mm 60 90
VU, OH 2.6mm 50 80
F, HF 3.2mm 90 130
VU, OH 3.2mm 80 110
F, HF 4.0mm 140 190
VU, OH 4.0mm 120 160
F, HF 5.0mm 180 240
VU, OH 5.0mm 160 200
F, HF 6.0mm 250 310