Kobelco; AWS A5.1 E7018-1;LB-7018-1; SMAW(Stick Electrode)


Description

Features:
  • Suitable for low temperature service steel
Classification: AWS A5.1 E7018-1
Redrying Conditions: 350-400°Cx1h
Identification color: 1st Brown, 2nd White
Polarity: AC, DCEP

 

Packaging data

φ mm Length mm kg/pack kg/carton g/piece carton mm
2.6 350 5 20 23 170W, 105H, 380L
3.2 350 5 20 35 170W, 105H, 380L
4.0 400 5 20 61 170W, 105H, 430L
4.0 450 5 20 69 170W, 100H, 480L
5.0 450 5 20 106 170W, 110H, 480L

Composition (all-weld metal mass %)

  Typical (DCEP) Guarantya
C 0.08 0.15
Si 0.37 0.75
Mn 1.53 1.60
P 0.012 0.035
S 0.003 0.035
Ni 0.01 0.30
Cr 0.03 0.20
Mo 0.01 0.30
V <0.01 0.08
Ti 0.025 -
B 0.0045 -
Others b 1.58 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 70-100 65-95
3.2 90-130 80-120
4.0 130-180 110-170
5.0 180-240 -

All-weld mechanical properties

  Typical (DCEP) Guaranty
0.2%YS (MPa) 490 400min.
TS (MPa) 580 483min.
EI on 4d (%) 31 22min.
IV -46°C (J) 135 27min.

Approvals / Click here for certificates

ABS 4Y400, H10
LR 4Y40m H10

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