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Home » Products » Welding electrodes for stainless steel » AWS:E309Mo-16

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AWS:E309Mo-16

Model:
E309Mo-16
Brand:
Mighty

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Product Description

GB：E309Mo-16
AWS：E309Mo-16
Current：Used for welding the same types of stainless vessels which resist sulphuric acid medium (sulphur ammonia), and also used for welding stainless steel lining, composite steel plates and dissimilar steel.
Main Applications：

A312

According with GB E309Mo-16
Corresponding with AWS E309Mo-16

Introduction: A312 is a kind of Cr23Ni13Mo2 stainless steel electrode with lime-titania type coating. Due to the higher Mo content in the weld, it has better corrosion-resistance, crack-resistance and oxidation-resistance than those of A302. AC/DC. It has excellent welding performance.

Uses: Used for welding the same types of stainless vessels which resist sulphuric acid medium (sulphur ammonia), and also used for welding stainless steel lining, composite steel plates and dissimilar steel.

Chemical Composition of Deposited Metal (%)

Chemical Composition	C	Mn	Si	S	P	Cu	Ni	Mo	Cr
Guarantee Value	≤0.12	0.5~2.5	≤0.90	≤0.030	≤0.040	≤0.75	12.0~14.0	2.00~3.00	22.0~25.0

Mechanical Properties of Deposited Metal

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

Reference Current(AC, DC+)

Electrode Diameter(mm)	φ2.0	φ2.5	φ3.2	φ4.0	φ5.0
Welding Current (A)	40~80	50~100	70~130	100~160	140~200

Instructions:
1.The electrodes should be baked under 200-250℃ for an hour before welding.
2.Direct current had better be used and the current should not be too strong.

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