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Home » Products » Other welding electrodes » GB：E5515-B2-VW

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GB：E5515-B2-VW

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GB：E5515-B2-VW
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Product Description

GB：E5515-B2-VW
AWS：
Current：Used for welding pearlitic heat-resistant steel below 570°C, such as 15CrMoV, etc.
Main Applications：

R327

According with GB E5515-B2-VW

Introduction: R327 is a kind of CrMoVW pearlitic heat-resistant steel electrode with low-hydrogen natrium type coating. DCRP (Direct Current Reversed Polarity). All-position welding. The weldments should be given preheating and postweld heat treatment according to their structural features.

Uses: Used for welding pearlitic heat-resistant steel below 570℃, such as 15CrMoV, etc.

Chemical Composition of Deposited Metal (%)

Chemical Composition	C	Mn	Si	S	P	Mo	Cr	V	W
Guarantee Value	0.05~0.12	0.7~1.1	≤0.60	≤0.035	≤0.035	0.70~1.00	0.80~1.5	0.20~0.35	0.25~0.50

Mechanical Properties of Deposited Metal

Test Item	R_m(MPa)	R_eL或R_p0.2(Mpa)	A(%)	KV₂(J)
Guarantee Value	≥540	≥440	≥16	≥47(normal temperature)
General Result	600~680	≥450	18~22	100~140

Diffusible Hydrogen Content in Deposited Metal:≤6.0ml/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 weldments, such as rust, oil stains, moisture, etc., must be cleared away before welding.

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