Jain Welding

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CREEP RESISTANT ELECTRODES

SUNTHERM CR 2 PDF

 

 

CLASSIFICATION:

AWS: A 5.5 : E 9018B3
IS 1395 : E 63 BB 326Fe

DESCRIPTION:

SUNTHERM CR 2 is a basic, medium heavy coated, hydrogen controlled, iron powder type, all position radiographic quality electrode to weld 2.25% Cr,1.00% Mo steel having increased working efficiency. Electrodes has properties of creep resistance upto 575 0 C.

TYPICAL ALL WELD METAL PROPERTIES:

Chemical Composition (%) Mechanical Properties
C 0.05-0.12 max Mn 0.50-0.90 YS 55-62 kg/mm2
Si 0.50 max S 0.03 max UTS 63-70 kg/mm2
P 0.03 max Cr 2.0-2.50 EL (L=4d) 20-25%
Mo 0.90-1.20 Hydrogen in Weld metal 5 ml/100 g max

TYPICAL APPLICATIONS:

Suitable for weld high tensile, low alloy steels with 2.25% Cr and 1% Mo used in oil refinery,powerplants,steam boilers, equipment subjected at high temperatures in synthetic chemical units, parts of automobile, earth moving machineries, also include marine application.

CURRENT RANGE & PACKING DATA:

Size Length Current Range Qty of Electrodes in a No. of Electrodes in a
(mm) (mm) (Amps) Carton Cardboard Box
2.5 350 70-110 5 Kg 20 Kg
3.15 450 100-130 5 Kg 20 Kg
4.00 450 140-180 5 Kg 20 Kg
5.00 450 180-250 5 Kg 20 Kg

PACKING:

Electrodes are packed in Cartons and four of these Cartons are shrink wrapped in a cardboard box.