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Product Description

 Introduction:For welding low alloy CrMo steel structures,which work temperature is below 520℃. Such as boiler pipes,petroleum thermal cracking equipment,etc.

Standard & Typical Chemical Composition of Deposited Metal (%)

Chemical Composition
C
Mn
Si
S
P
Cr
Ni
Mo
V
Cu
Other
Specification
0.05-0.12
≤0.90
≤0.80
≤0.03
≤0.03
1.00-1.50
-
0.40-0.65
-
-
-
Actual result
0.08
0.73
0.24
0.009
0.013
1.31
0.52

Standard & Typical Mechanical Properties of Deposited Metal

Test Item
Postweld Condition
Yield Point ReL (MPa)
Tensile Strength Rm(MPa)
Elongation A4(%)
Akv Value (J)
Specification
PWHT
690℃X1h
≥460
≥550
≥19
-
Actual Result
540
640
22
25℃ 170

Size and Current (AC≥70V or DC +)

Dia.(mm)
2.0
2.5
3.2
4.0
5.0
Length(mm)
300
300
350
400
400
Current(A)
40-70
60-90
90-120
140-180
170-210

 

 

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