JQ.TH550-NQ-Ⅱ  Gas-shielded Solid Welding Wire

JQ.TH550-NQ-Ⅱ Gas-shielded Solid Welding Wire

JQ.TH550-NQ-Ⅱ
GB:ER55-G
AWS:
Current:
Main Applications:

JQ.TH550-NQ-Ⅱ

According with GB ER55-G

Chemical Composition of Welding Wire(%)
C
Mn
Si
S
P
Cu
Ni
Cr
≤0.10
1.20~1.60
≤0.60
≤0.020
≤0.025
0.20~0.50
0.20~0.60
0.30~0.90

Mechanical Properties of Deposited Metal
Test Item
Rm(MPa)
ReL或Rp0.2(Mpa)
A(%)
KV2(J)
Guarantee Value
≥550
≥450
≥22
≥60(-40℃)

Reference Current (DC+)
Wire Diameter(mm) Welding Current(A) Flow Rate(L/min)
φ0.8 50~100 15
φ1.2 50~220 15~20
φ1.4 80~350 15~25
φ1.6 170~550 20~25

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