Kobelco; AWS A5.1 E7018; LB-52-18; SMAW(Stick Electrode)
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Kobelco; AWS A5.1 E7018; LB-52-18; SMAW(Stick Electrode)

Kobelco; AWS A5.1 E7018; LB-52-18; SMAW(Stick Electrode)

Description

Features:
  • Suitable for butt and fillet welding of heavy structure
  • Good performance by DCEP current
Classification: AWS A5.1 E7018
Redrying Conditions: 300-350°Cx0.5-1h
Identification color: 1st Blue white, 2nd Blue
Polarity: AC, DCEP

 

Packaging data

φ mm Length mm kg/pack kg/carton g/piece carton mm
2.6 350 5 20 24 170W, 105H, 380L
3.2 400 5 20 41 170W, 105H, 430L
4.0 450 5 20 69 170W, 105H, 480L
5.0 450 5 20 106 170W, 105H, 480L

Composition (all-weld metal mass %)

  Typical (AC) Guarantya
C 0.07 0.15
Si 0.59 0.75
Mn 0.97 1.60
P 0.013 0.035
S 0.007 0.035
Ni 0.02 0.30
Cr 0.03 0.20
Mo <0.01 0.30
V 0.01 0.08
Othersb 1.03 1.75
Note: aSingle values are maximium.
bCombined Limit for Mn+Ni+Cr+Mo+V

Welding parameters (A)

φ mm 1F, 1G, 2F, 2G 3G uphill, 4G
2.6 65-95 60-90
3.2 90-130 80-120
4.0 130-190 110-170
5.0 190-250 165-210

All-weld mechanical properties

  Typical (AC) Guaranty
0.2%YS (MPa) 500 420 400min. 350min.
TS (MPa) 560 520 483min. 460min.
EI on 4d (%) 31 32 22min. 25min.
IV -29°C (J) 110 140 27min. 27min.
PWHT (°Cxh) AW 620x1 AW 620±15x1

Approvals / Click here for certificates

ABS 3Y, H10
LR 3Ym, H15
DNV 3Y, H10
NK KMW53, H10

 

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