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RATNA 312 (AWS A5.4 E312-16)

Product Specification

A High Alloy "UNIVERSAL" Electrode for Joining Steels of Unknown Composition

CLASSIFICATION          : AWS/SFA-5.4: E 312-16
                                            IS 5206: E 29.9 R 26

CHARACTERISTICS    : It is an electrodes gives 30/10 deposit, it has two phase structure with high nos. of ferrites in austenitic matrix. It is suitable for carbon steel, low alloy steel, dissimilar materials etc. electrode is recommended also for unknown steel, leaf springs and difficult-to-weld with higher strength.

APPLICATION              :
1)    It is ideally suitable for welding difficult-to-weld e.g. high hardenable tool, die & sparing steel, 13% Mn steels, free cutting steels, high temperature steels.
2)    Dissimilar joints between stainless steel and high carbon steels.
3)    Surfacing to metal to metal wear areas, not working tools, furnace components etc.
4)    Suitable rebuilding chemical agitator blades, shafts, rolling mill spindles, bucket lips.

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
0.15 Max 0.50-2.50 1.00 Max 0.03 Max 0.04 Max 28.0-32.0 8.0-10.5 0.75 Max 0.75 Max
 

ALL WELD MECHANICAL PROPERTIES :
       
UTS
(N/mm²)
ELONGATION
(%)
Condition
660 min 22 min As Welded
 

DIMENSION, CURRENT CONDITION & PACKING DATA
       
Size(mm) (Dia) Size(inch) (Dia) Current Condition (DC-/AC)Amps Kg./pkt. Kg./Case
2.40/ 2.50 3/ 32” 50-80 2 10
3.15/ 3.20 1/ 8” 75-100 2 10
4.00 5/ 32” 110-140 2 10
5.00 3/ 16” 150-180 2 10
Tailor made packing available on request.
 
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