Kobelco; AWS ; LB-76; SMAW(Stick Electrode)


Description

Features:
  • Suitable for butt and fillet welding of 520MPa high tensile steel
Classification: -
Redrying Conditions: 300-350°Cx0.5-1h
Identification color: 1st Blue white, 2nd Green
Polarity: AC, DCEP

 

Packaging data

φ mm Length mm kg/pack kg/carton g/piece carton mm
3.2 350 5 20 33 170W, 120H, 380L
4.0 400 5 20 58 170W, 110H, 430L
5.0 450 5 20 102 170W, 110H, 480L
6.0 450 5 20 145 170W, 110H, 480L

Composition (all-weld metal mass %)

  Typical (AC) Guarantya
C 0.08 0.05-0.10
Si 0.58 0.30-0.75
Mn 1.30 1.00-1.50
P 0.01 0.03
S 0.01 0.03
Ni 0.01 0.30
Cr 0.03 0.20
Mo <0.01 0.30
V 0.01 0.08
Note: aSingle values are maximium.

Welding parameters (A)

φ mm 1F, 1G, 2F, 2G 3G uphill, 4G
3.2 90-130 80-120
4.0 140-190 120-180
5.0 190-250 -
6.0 250-320 -

All-weld mechanical properties

  Typical (AC) Guaranty
0.2%YS (MPa) 510 393min.
TS (MPa) 600 483min.
EI on 4d (%) 29 25min.
IV -29°C (J) 110 -

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