RATNA 2594 (AWS A5.4 E2594-16)

An electrode specially designed for Super Duplex Stainless steel matrix with Balance PREN 40

Classification:

AWS/SFA-5.4: E 2594-16

Characteristics:

This electrode is specially designed for super duplex stainless steel with a nominal weld metal composition of 25.5Cr, 10Ni, 4Mo, and 0.25N. It achieves a Pitting Resistance Equivalent Number (PREN) of at least 40, indicating excellent resistance to pitting in chloride-containing environments.

Application:

Welding type 2507 super duplex stainless steels UNS S32750 (wrought) and UNS J93404 (cast).
Suitable for similar super duplex compositions.
Welding carbon and low alloy steels to duplex stainless steels, and to standard duplex stainless steels such as type 2205.

Re-Dry Condition:

Re-Dry the electrode at 350°C for 1 hrs before use.

ALL WELD CHEMICAL COMPOSITION %
C	Mn	Si	S	P	Cr	Ni	Cu	Mo	N
0.04 max	0.50-2.00	1.00 Max	0.030 Max	0.040 Max	24.00-27.00	8.00-10.50	0.75 Max	3.50 – 4.50	0.20-0.30

ALL WELD MECHANICAL PROPERTIES (As Welded)
YS (N/mm²)	UTS (N/mm²)	EL % (l=5d)	Hardness (BHN)
550 Min.	760 Min.	15 Min.	250-300

DIMENSION, CURRENT CONDITION & PACKING DATA
Size (mm) (Dia)	Size (inch) (Dia)	Current Condition (DC+/AC) Amps	kg./packet.	kg./case
2.50 / 2.40 × 350	3/32” × 14”	70-100	2	20
3.15 / 3.20 × 350	1/8” × 14”	90-120	2	20
4.00 × 350	5/32” × 14”	120-160	2	20
5.00 × 350	3/16” × 14”	160-200	2	20