Jain Welding

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CREEP RESISTANT ELECTRODES

SUNTHERM CR 1 PDF

 

 

CLASSIFICATION:

AWS: A 5.5: E 8018B2
IS 1395: E 55 BB 226Fe

DESCRIPTION:

SUNTHERM CR1 is a basic coated, hydrogen controlled, iron powder type, all position radiographic quality electrode to weld 1.25% Cr-0.5% Mo steel, having increase working efficiency. Electrode has properties of creep resistance upto 5500 C.

TYPICAL ALL WELD METAL PROPERTIES:

Chemical Composition (%) Mechanical Properties
C 0.05-0.12 max Mn 0.50-0.90 YS 48-56 kg/mm2
Si 0.50 max S 0.03 max UTS 58-68 kg/mm2
P 0.03 max Cr 1.0-1.50 EL (L=4d) 20-28%
Mo 0.40-0.65 Hydrogen in Weld metal 5 ml/100 g max

TYPICAL APPLICATIONS:

Suitable for weld creep resistance steels like Cr-Mo pipelines and plates used in oil refinery, power plants, steam boilers, equipment subjected at high temperatures in synthetic chemical units, parts of automobile, earth moving machinery. Steels of the type ASTM A 182-F2, A387-2,A213-72,A335 P2.

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.