K-7018C3L

Welding of 1%Ni steel and aluminium-killed steel used at low temperature, LPG tanks, etc.

AWS        A5.5 : E7018-C3L H4R
EN           ISO 2560-A : E42 3 1Ni B 32 H5
EN           ISO 2560-B : E49 18-N2 A H5
JIS           Z 3211 : E4918-N2 H5

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.6~5.0 AWS A5.5
EN ISO 2560-A
EN ISO 2560-B
JIS Z 3211
E7018-C3L H4R
E42 3 1Ni B 32 H5
E49 18-N2 A H5
E4918-N2 H5
F, HF, H, VU, OH AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.05 0.31 0.86 0.016 0.016 0.05 1.01 0.02
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
530 620 34 50 (-50℃)
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 90 140
VU, OH 3.2mm 80 120
F, HF 4.0mm 150 190
VU, OH 4.0mm 120 160
F, HF 5.0mm 180 230
VU, OH 5.0mm 150 200