Classification : AWS : E 50215
Characteristics : Low hydrogen iron powder electrode producing a weld deposit containing 5% Cr 0.5% Mo, which has excellent creep resistance at elevated temperatures upto 550°C.
Applications : Typical applications include welding of 4-6% Cr steel in oil refinery, chemical plant and equipment.
|Weld Metal Properties (%) :
C = 0.06 Mn = 0.90
Si = 0.40 Mo = 0.50
Cr = 5.20 P = 0.04
S = 0.03 Ni = 0.40
Cu = 0.75
|All Weld Mechanical Properties
UTS = 490 N/mm2
YS = 412 N/mm2
Elong (L=4d)%= 26 Min
CVN Impact Value (J) at 27 + 2°C:150-200-29°C: 50-80
|Creep Data :
(1% offset/10000 hours)
Creep Strength at 550°C: 7 Kg/mm2
Precautions : Re-dry the electrodes 250°C for one hour. Use short arc during welding.