Stainless Steel Electrodes|J502

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GB：E5003
AWS：
Application：Mainly applied in welding 490MPa tensile strength low-alloy steel structures, such as welding on deformed steel bars for construction and other steel of 16Mn type, etc.：

J502

According with GB E5003

Introduction: J502 is a kind of carbon steel electrode with lime-titania type coating. All-position welding. It has excellent welding performance and mechanical properties, stable arc, fewer spatters, good slag detachability and neat welding appearance.

Applications: Mainly used for welding 490MPa tensile strength low-alloy steel structures, such as welding on deformed steel bars for construction and other steel of 16Mn type, etc.

Chemical Composition of Deposited Metal (%)

Chemical Composition	C	Mn	Si	S	P
Guarantee Value	≤0.12	≤1.60	≤0.3	≤0.035	≤0.040

Mechanical Properties of Deposited Metal

Test Item	R_m(MPa)	R_eL(Mpa)	A(%)	KV₂(J)
Guarantee Value	≥490	≥400	≥20	≥27(0℃)
General Result	520~580	≥410	20~30	60~110

X-ray Radiographic Inspection: ⅡDegree

Reference Current (AC, DC)

Electrode Diameter(mm)	φ2.5	φ3.2	φ4.0	φ5.0
Welding Current (A)	60~100	80~140	140~220	180~240

Instructions:
1.Any stains on the welding surface, such as rust, oil stains, moisture, etc., must be cleared away before welding.
2.The electrodes must be baked under 180~200℃ for an hour before welding due to long time of storage.

Packing details: In carton of 20kgs/net, consisting of 8 boxes x 2.5kgs for 2.5mm, & 4 boxes x 5kgs for other sizes.

With/ without pallets (Fumigation-free pallets) upon customer’s request.