JY·J422 for welding of low carbon steel structure and low strength grade of low alloy steel structure.

JY·J422 is calcium-titanium coated carbon steel electrode It has very good welding usability that enables it to operate on AC/DC, performs all-position welding, has stable arc, removal of slag is easy and has good bead appearance. Its good mechanical properties give it very good low temperature toughness. During the application, its characteristic of easy maneuverability offers easy striking, easy re-striking and good control of welding speed, which enables the welders to have desired weld path and penetration of the arc.

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Product Detail

Product Tags

Application

Chemical Composition of Welding Wires(%)

Test Item	C	Mn	Si	S	P	Ni	Cr	Mo	V
Guarantee Value	≤0.20	≤1.20	≤1.00	≤0.035	≤0.040	≤0.30	≤0.20	≤0.30	≤0.08
General Result	0.077	0.42	0.18	0.018	0.023	0.02	0.032	0.008	0.005

Mechanical Properties of Deposited Metal

Test Item	Rm(MPa)	ReL(MPa)	A(%)	KV₂ (J) 0℃ -20℃
Guarantee Value	≥430	≥330	≥20	≥27	≥47
General Result	469	385	30	97	70

X-Ray Radio-graphic Test Requirements:Grade ll

Reference Current(AC、DC)

Diameter (mm)	φ2.0	φ2.5	φ3.2	φ4.0	φ5.0
Amperage(A)	40~70	60~100	80~140	140~220	180~230

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