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RATNA 20/25/5 Cu (AWS A5.4 E385-16)

Product Specification

Special type Electrode fully Austenitic, extra-low carbon weld metal Mo & Cu.

CLASSIFICATION         : AWS/SFA-5.4: E 385-16
                                          DIN  E 20 25 5 Cu R 26

CHARACTERISTICS    : Ratna 20/25/5 Cu is special type electrode producing an extra low carbon weld metal containing 20Cr-25Ni-5Mo-2Cu. The weld metal exhibits excellent corrosion resistance to sulphuric acid, phosphoric acid, acetic acid, formic acid, fatty acids, oxalic acid etc.

APPLICATION              :
1) Ideally suited for welding carpenter 20, HV 9, HV 9A, Uranus B-6, UHB 904L,sandvik 2Rk65 and other similar materials.
2) Electrode may be used to joint type 317L material where improved corrosion resistance is needed.

RE-DRY CONDITION     : Re-Dry the electrode at 250°C for 1 hrs before use.


ALL WELD CHEMICAL COMPOSITION %
       
C Mn Si S P Cr Ni Mo Cu
0.03 max. 1.00-2.50 0.90 Max 0.020 Max 0.020 Max 19.50-21.50 24.00-26.00 4.20-5.20 1.20-2.00
 

ALL WELD MECHANICAL PROPERTIES :
       
UTS
(N/mm²)
EL %
(l=4d)
CHARPY “V” NOTCH
IMPACT AT
520-690 30-45 +20°C : 60-100 J
 

DIMENSION, CURRENT CONDITION & PACKING DATA
       
Size(mm) (Dia) Size(inch) (Dia) Current Condition (DC+/AC) Amps kg./pkt.. kg./Case
2.50/ 2.40 X 350 3/ 32” X 14” 60-80 2 20
3.15/ 3.20 X 350 1/ 8” X 14” 80-100 2 20
4.00 X 350 5/ 32” X 14” 110-140 2 20
5.00 X 350 3/ 16” X 14” 150-180 2 20
Customer packing on request.
 

 

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