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RATNA 18/8/5 (AWS A5.4 E307-16(Nr.))

Product Specification

A basic coated austenitic stainless steel Electrode of the 18Cr-8Ni-6Mn.

CLASSIFICATION         : AWS/SFA-5.4: E 307-16 (Nr.), DIN E 18 8 Mn B 20
                                          IS-5206: E 18.8MnR 26

APPROVAL                   : RDSO

CHARACTERISTICS    : A medium heavy coated austenitic stainless steel electrodes with stainless steel core wire give weld deposition of 18Cr-8Ni-5Mn and weld metal has excellent heat resistance up to 900°C and corrosion resistance from atmosphere, sea water and weak acids.


APPLICATION              :
1) It is easy to operate in all position at low currents and for joining and surfacing applications to enhance resistance to impact and abrasion and also for buffer layers on variety of steels.
2) Specially designed for joining ferrite to austenitic steels, armour plates, austenitic Manganese steels (12% Mn ), Heat Resistance steels, dissimilar materials for buffer layers etc.

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
0.14 max. 5.00-8.00 1.00 Max 0.030 Max 0.040 Max 18.00-21.50 9.00-10.70
 

ALL WELD MECHANICAL PROPERTIES :
       
UTS
(N/mm²)
EL %
(l=4d)
CHARPY “V” NOTCH IMPACT AT HARDNESS
590-670 30-40 +20°C : 80-120 J AS WELDED 200 BHN AS WORK 500 BHN
 

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” 50-80 2 20
3.15/ 3.20 X 350 1/ 8” X 14” 75-100 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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