E309L-16

AWS A5.4 E309L-16, ISO 3581-A-E(23 12 L)R 32

It is an ultra-low carbon Cr23Ni13 stainless steel welding electrode with rutile coating..

The product is applicable for the same type of stainless steel structure, composite steel, dissmilar steel and other components manufactured by synthetic fiber, petrochemical equipment etc. as well as the surfacing welding of the inner wall transition layer of pressure vessel and the welding of tower internal components.

Chemical Composition of Deposited Metal (%)

	C	Mn	Si	P	S	Cr	Ni	Mo	Cu
Range	≤0.040	0.5-2.50	≤1.00	≤0.040	≤0.030	22.0~25.0	12.0~14.0	≤0.75	≤0.75
Test	0.024	1.30	0.60	0.022	0.008	24.0	13.0	0.045	0.035

Mechanical Properties of Deposited Metal

	Tensile strength Rm (Mpa)	Elongation ratio (%)
Range	≥510	≥25
Test	565	40

Reference Current (AC, DC+)

Diameter	2.5mm	3.2mm	4.0mm	5.0mm
Length(mm)	250	350	350	350
Amperage	50~100	70~130	100~160	140~200

Precautions:

The electrode must be baked 300℃ for 1 hour before welding.
Operating with DC power supply as much as possible, and the current should not be too large.

Welding Position: H, HF, OH, F, VU

E309L-16

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