Introduction:Suitable for fabricating huge diameter pipelines made by X70 OR X80 grade steel.
Standard & Typical Chemical Composition of Deposited Metal (%)
|
Chemical Composition
|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Mo
|
V
|
Cu
|
|
Specification
|
≤0.20
|
≤1.20
|
≤0.60
|
≤0.03
|
≤0.03
|
≤0.30
|
≤1.00
|
≤0.50
|
≤0.10
|
-
|
|
Actual result
|
0.099
|
0.60
|
0.18
|
0.012
|
0.011
|
0.013
|
0.642
|
0.43
|
0.01
|
Standard & Typical Mechanical Properties of Deposited Metal (AW)
|
Test Item
|
Postweld Condition
|
Yield Point ReL (MPa)
|
Tensile Strength Rm(MPa)
|
Elongation A4(%)
|
Akv Value (J)
|
|
Specification
|
AW
|
≥460
|
≥550
|
≥19
|
-30℃ ≥27
|
|
Actual Result
|
510
|
600
|
22
|
60
|
Size and Current (DC +)
|
Dia.(mm)
|
2.5
|
3.2
|
4.0
|
5.0
|
|
|
Length(mm)
|
300
|
350
|
350
|
350
|
|
|
Current(A)
|
F,H
|
60-90
|
70-110
|
110-150
|
150-200
|
|
V,OH
|
50-80
|
60-100
|
100-140
|
140-180
|
|
