Low Alloy Steel electrodes|E9015-B3

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GB：E6015-B3
AWS：E9015-B3
Application：Used for welding Cr2.5Mo pearlitic heat-resistant steel structures, such as high temperature high pressure pipes below 550℃, chemical equipment for synthesis, equipment for petroleum cracking. ：

E9015-B3

According with GB E6015-B3
Corresponding with AWS E9015-B3

Introduction: E9015-B3 is a kind of Cr2.5%-Mo1% pearlitic heat-resistant steel electrode with low-hydrogen natrium type coating. DCRP (Direct Current Reversed Polarity). All-position welding. The weld should be given preheating and post-weld heat treatment according to their structural features.

Applications: Used for welding Cr2.5Mo pearlitic heat-resistant steel structures, such as high temperature high pressure pipes below 550℃, chemical equipment for synthesis, equipment for petroleum cracking.

Chemical Composition of Deposited Metal (%)

Chemical Composition	C	Mn	Si	S	P	Mo	Cr
Guarantee Value	0.05~0.12	≤0.90	≤0.60	≤0.035	≤0.035	0.90~1.20	2.00~2.50

Mechanical Properties of Deposited Metal

Test Item	R_m(MPa)	R_eL或R_p0.2(Mpa)	A(%)	KV₂(J)
Guarantee Value	≥590	≥490	≥15	≥47(normal temperature)
General Result	600~720	≥500	16~22	≥60

Diffusible Hydrogen Content in Deposited Metal: ≤4.0ml/100g(Glycerine Hydrogen Test)

X-ray Radiographic Inspection: ⅠDegree

Reference Current (DC+)

Electrode Diameter(mm)	φ2.5	φ3.2	φ4.0	φ5.0
Welding Current (A)	60~90	90~120	140~180	170~210

Instructions:
1.The electrodes must be baked under about 350℃ for an hour before welding, and used as soon as baking is completed.
2.The stains on the weld, such as rust, oil stains, moisture, etc., must be cleared away before welding.

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.