K-7018NP

Welding of aluminium-killed steel used at low temperature, LPG tankers and LPG storage tanks, Pipe etc.

AWS      A5.1 : E7018-1 H4R
EN         ISO 2560-A : E42 4 B 42 H5
EN         ISO 2560-B : E49 18-1 A U H5
JIS         Z 3211 : E4918-1 H5

Categories: , Tag:
K-7018(PIPEWELD)
K-7018N

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.6~6.0 AWS A5.1
EN ISO 2560-A
EN ISO 2560-B
JIS Z 3211		 E7018-1 H4R
E42 4 B 42 H5
E49 18-1 A U H5
E4918-1 H5		 F, HF, H, VU, OH – DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.,05 0.45 1.18 0.013 0.012 0.03 0.25 0.01 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
510 590 32 – 75 (-45℃) –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.5mm 70 100
VU, OH 2.5mm 60 90
F, HF 2.6mm 70 100
VU, OH 2.6mm 60 90
F, HF 3.2mm 90 130
VU, OH 3.2mm 85 120
F, HF 4.0mm 150 190
VU, OH 4.0mm 110 160
F, HF 5.0mm 160 220
VU, OH 5.0mm 130 180
F, HF 6.0mm 180 230

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