AWS A5.5 E9015-B9

EN ISO 3580-B-6215-9C1MV

Characteristics and Application

heat resisting electrode E9015-B9  is suitable for welding high temperature and high pressure boiler superheater tubes, sealing class, such as the A213-T91 / A335-P91 (T / P91 A358Cr, 91 other heat-resistant steel. Features: it is a low hydrogen sodium type coating 9% Cr-l % Mo-V-Nb heat resistant steel electrode. It always adopts DC reverse and can be all-position welding. The deposited metal has high temperature creep properties. It can reach excellent welding performance, stable arc, little spatter, easy slag removal and good weld appearance. Welding Positions: PR PC pm PF 

Typical chemical Composition of Weld Metal (%)

Typical Mechanical Properties of Weld Metal

Welding Positions:

Notes on usage:

1 Electrode must be approved by 350-400℃ for 1 hour before welding, dry the electrode when use it.

2The rust, oil, water and other impurities of the weld must be removed before welding.
3. Weldment preheating to 200-260 ℃ , and maintain the appropriate temperature between layers.

4. After welding, according to the requirement to do heat treatment after cooling slowly to 80-100℃ and heat preservation for 2 h, if can not conduct heat treatment as soon as possible, should be carried out to the hydrogen treatment at 350℃ for 2h.

C 0.08-0.13   Mn ≤1.20  Si ≤ 0.30 S ≤ 0.010 P ≤ 0.010   Ni ≤0.80 Cr 8.0-10.5 Mo 0.85-1.20 V 0.15-0.3

Tensile Strenght ≥620MPa  Yield strength≥ 530Mpa   Elongation≥17%  Charpy V-Notch -30 ℃  180J

heat resisting electrode E9015-B9,Welding rods