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RATNA CR 1 (AWS A5.5 E8018 B2)

Product Specification

Hydrogen controlled iron powder Electrode for welding Creep-Resistant 1Cr-0.5Mo steels.

CLASSIFICATION         : AWS/SFA-5.5: E 8018 B2
                                           IS-1395: E55 BB 226Fe

CHARACTERISTICS    : A medium heavy coated, hydrogen controlled, iron powder type, all position radiographic quality electrode to weld 1.25% Cr-0.50% Mo steel, having increased working efficiency. Electrode has properties of creep resistance up to 550°C.


APPLICATION              :
1) Suitable to weld creep resistant steels like Cr-Mo pipelines and plates used in oil refinery.
2) Power plants, steam boilers.
3) Equipments subjected at high temperature in synthetic chemical units.
4) Repair of cast steel components.
5) Parts of automobiles & earthmoving machineries.

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


ALL WELD CHEMICAL COMPOSITION %
       
C Mn Si Cr Mo S&P
0.05-0.12 0.90 Max 0.60 max 1.00-1.50 0.40-0.65 0.030 Max.
 

ALL WELD MECHANICAL PROPERTIES :
       
YS
(N/mm²)
UTS
(N/mm²)
EL %
(l=4d)
460-560 550-680 20-28
 

DIMENSION, CURRENT CONDITION & PACKING DATA
       
Size(mm) (Dia) Size(inch) (Dia) Current Condition (DC+)Amps No. of Pcs./pkt. No. of Pcs./Case
2.50/ 2.40 X 350 3/ 32” X 14” 60-80 170 640
3.15/ 3.20 X 450 1/ 8” X 18 100-140 110 440
4.00 X 450 5/ 32” X 18” 140-180 72 288
5.00 X 450 3/ 16” X 18” 190-240 50 200
Customer packing on request.
 
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