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SMAW

LB-78VS

Stick electrode
Features:
  • Suitable for butt welding of pipes
  • Excellent usability in vertical downward welding
  • Good mechanical properties
Classification:AWS A5.1 E7048
Redrying Conditions:350-400°Cx1h
Identification color:1st Orange, 2nd Black
Polarity:AC, DCEP
Welding Positions: Canvas is Not Supported.

Packaging data

φ mmLength mmkg/packkg/cartong/piececarton mm
3.235052033170W, 110H, 380L
4.040052056170W, 110H, 430L

Composition (all-weld metal mass %)

 Typical (AC)Guarantya
C0.060.15
Si0.560.90
Mn1.181.60
P0.0120.035
S0.0050.035
Ni0.010.30
Cr0.030.20
Mo0.010.30
V<0.010.08
Othersb1.231.75
Note: aSingle values are maximium.
bCombined Limit for Mn+Ni+Cr+Mo+V

Welding parameters (A)

φ mm1F, 1G, 2G3G uphill, 4G3G downhill
3.285-14080-12080-140
4.0130-210110-160130-210

All-weld mechanical properties

 Typical (AC)Guaranty
0.2%YS (MPa)490400min.
TS (MPa)580483min.
EI on 4d (%)3022min.
IV -29°C (J)10027min.

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