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CHE421D

CHE421D is a rutile cellulose type electrode for welding mild steel.Both all position welding and vertical-down welding could be performed. It is suitable for vertical-down welding of light steel structures,steel sheet structures and hull of vehicles etc.

Chemical Composition Deposited Metal(%)

	C	Mn	Si	S	P
Standard				≤0.035	≤0.040
Typical	0.063	0.50	0.27	0.017	0.018

Mechanical Properties of Deposited metal

	Yidld Point ós (Mpa)	Tensile Strengh ób (Mpa)	Elongation δ5（%）	Impact Value(J)
	Yidld Point ós (Mpa)	Tensile Strengh ób (Mpa)	Elongation δ5（%）	0℃
Standard	≥330	≥420	≥17	－ ≥47
Typical	385	475	26	70

Sizes,Pieces & Recommended Current(AC or DC)

Size(mm)		2.5×300	3.2×350	4.0×400	5.0×400
Pieces(5kg)		≈268	≈163	≈96	≈62
Current(A)	F,H	60-100	80-150	160-200	180-250
Current(A)	VH,VD	60-90	80-130	160-180	180-230

ADD：No. 188, Qingda Road, Heqing Town, Pudong New Area, Shanghai City Tel：021-58979176 Fax：021-58975707

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