Kobelco; AWS A5.1 E7048; LB-52T; SMAW(Stick Electrode)


Description

Features:
  • Low hydrogen type for tack welding
Classification: AWS A5.1 E7048
Redrying Conditions: 300-350°Cx0.5-1h
Identification color: 1st Red
Polarity: AC, DCEP

 

Packaging data

φ mm Length mm kg/pack kg/carton g/piece carton mm
3.2 350 5 20 36 170W, 115H, 380L
4.0 400 5 20 60 170W, 105H, 430L
5.0 450 5 20 96 170W, 105H, 480L

Composition (all-weld metal mass %)

  Typical (AC) Guarantya
C 0.08 0.15
Si 0.47 0.90
Mn 1.04 1.60
P 0.012 0.035
S 0.002 0.035
Ni 0.01 0.30
Cr 0.02 0.20
Mo <0.01 0.30
V <0.01 0.08
Othersb 1.07 1.75
Note: aSingle values are maximium.
bCombined Limit for Mn+Ni+Cr+Mo+V

Welding parameters (A)

φ mm All position (1F, 1G, 2F, 2G, 3G uphill, 4G) & 3G downhill
3.2 110-160
4.0 160-220
5.0 200-260

All-weld mechanical properties

  Typical (AC) Guaranty
0.2%YS (MPa) 450 400min.
TS (MPa) 540 483min.
EI on 4d (%) 32 22min.
IV -29°C (J) 110 27min.
PWHT AW AW

Approvals / Click here for certificates

ABS 3, 3Y, 3Y400, H10
LR 3Ym, H15
DNV 3Y, H10
BV 3, 3Y, H10
NK KMW53Y40, H10
CR a) 3, 3Y, H10
a):AC

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