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Home » Products » Welding electrodes for stainless steel » AWS:E309-15

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AWS:E309-15

Model:
E309-15
Brand:
Mighty

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Product Description

GB：E309-15
AWS：E309-15
Current：Used for welding the same types of stainless steel, dissimilar steel, high-chrome steel, high-manganese steel, etc.
Main Applications：

A307

According with GB E309-15
Corresponding with AWS E309-15

Introduction: A307 is a kind of Cr23Ni13 stainless steel electrode with basic coating. The deposited metal has excellent crack-resistance and oxidation-resistance. DCRP (Direct Current Reversed Polarity). All-position welding.

Uses: Used for welding the same types of stainless steel, dissimilar steel, high-chrome steel, high-manganese steel, etc.

Chemical Composition of Deposited Metal (%)

Chemical Composition	C	Mn	Si	S	P	Cu	Ni	Mo	Cr
Guarantee Value	≤0.15	0.5~2.5	≤0.90	≤0.030	≤0.040	≤0.75	12.0~14.0	≤0.75	22.0~25.0

Mechanical Properties of Deposited Metal

Test Item	R_m(MPa)	A(%)
Guarantee Value	≥550	≥25

Reference Current(DC+)

Electrode Diameter(mm)	φ2.0	φ2.5	φ3.2	φ4.0	φ5.0
Welding Current (A)	40~80	50~100	70~120	90~160	140~200

Instructions:
1.The electrodes should be baked under about 250℃ for an hour before welding.
2.When welding, the current should not be too strong.

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AWS:E309-15

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