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	R_m(MPa)	R_eL或R_p0.2(Mpa)	A(%)	KV₂(J)
Guarantee Value	≥550	≥450	≥22	≥60(-40℃)

Reference Current (DC+)