Stainless Steel

JACKSUN NOVA 2593

AWS A5.4: E2593-16

JACKSUN NOVA 2593 is a rutile-coated super duplex stainless steel electrode, classified under AWS A5.4 E2593-16 and EN ISO 3581-A E 25 9 4 N L R 26.
Specifically designed for welding super duplex stainless steels (UNS S32750 / S32760).
Weld metal has a balanced ferrite-austenite structure, offering very high strength and excellent corrosion resistance.
Superior resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride-bearing environments.
Provides higher PREN (>40) compared to standard duplex (E2209, E2553).
Widely used in desalination plants, offshore platforms, marine industry, and chemical process equipment.(As per AWS A5.4 E2593-16 / EN ISO 3581-A E 25 9 4 N L R 26)

1. Typical Chemical Composition of Weld Metal (% by weight)

C	Mn	Si	Cr	Ni	Mo	N	Cu	P	S	Cu
≤ 0.04	0.5 – 1.5	≤ 0.8	24.0 – 27.0	8.0 – 10.5	3.0 – 4.5	0.08 – 0.30	≤ 1.0	≤ 0.03	≤ 0.02	1.5-2.5

2. Typical Mechanical Properties of Weld Metal (As-Welded)

Property	UTS (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J @ –40°C)	Ferrite Content (FN)
Typical Values	780 – 850	580 – 620	18 – 32	> 60	35 – 45

3. Dimension, Current Condition & Packing Data (SMAW Welding)

Size (mm)	Size (inch)	Current Range (A)	Polarity	Voltage (V)	Packing (5 kg)	Packing (20 kg)
2.5	3/32	70 – 100	AC / DCEP	20 – 22	✔	✔
3.2	1/8	90 – 130	AC / DCEP	22 – 24	✔	✔
4.0	5/32	120 – 170	AC / DCEP	24 – 26	✔	✔
5.0	3/16	160 – 210	AC / DCEP	26 – 28	✔	✔

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