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SMAW

LB-57

Stick electrode
Features:
  • Suitable for butt and fillet welding of 520MPa high tensile steel
Classification:AWS A5.1 E7016
Redrying Conditions:350-400°Cx1h
Identification color:1st Blue, 2nd Brown
Polarity:AC, DCEP
Welding Positions: Canvas is Not Supported.

Packaging data

φ mmLength mmkg/packkg/cartong/piececarton mm
2.635052020170W, 125H, 380L
3.235052031170W, 120H, 380L
4.040052055170W, 110H, 430L
5.045052097170W, 105H, 480L
6.0450520138170W, 105H, 480L

Composition (all-weld metal mass %)

 Typical (AC)Guarantya
C0.080.15
Si0.640.75
Mn0.811.60
P0.0110.035
S0.0030.035
Ni0.010.30
Cr0.030.20
Mo0.170.30
V0.010.08
Othersb1.031.75
Note: aSingle values are maximium.
bCombined Limit for Mn+Ni+Cr+Mo+V

Welding parameters (A)

φ mm1F, 1G, 2F, 2G3G uphill, 4G
2.650-8550-80
3.290-13080-115
4.0130-180110-170
5.0180-250150-200
6.0250-310-

All-weld mechanical properties

 Typical (AC)Guaranty
0.2%YS (MPa)530470400min.400min.
TS (MPa)610540483min.500min.
EI on 4d (%)313222min.25min.
IV -29°C (J)10013027min.27min.
PWHT (°Cxh)AW620x1AW620±15x10

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