E9015-B9

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Class: E9015-B9
AWS: A5.5

Conforms to Certification:  AWS A5.5 | ASME SFA 5.5

Weld Process: Shielded Manual Metal Arc Electrodes

AWS Chemical Composition   Requirements
C = 0.08 – 0.12 Cr = 8.0 – 10.0
Mn = 0.40 – 0.75 Mo = 0.85 – 1.20
Si = 0.30 max Ni = 0.2 – 0.4
P = 0.010 max  Nb = 0.03 – 0.07
S = 0.010 max  V = 0.15 – 0.25
 Cu = 0.25 max  Al = 0.04 max

Description:

DuraMax E9015-B9 is a 9.0% Cr – 1.0%Mo, low hydrogen electrode modified with niobium and vanadium. It is designed to provide improved creep strength, toughness, fatigue life, and oxidation and corrosion resistance at elevated temperatures.

Typical Application & Usage:
  • For joining applications on higher chromium 9CrMoNb steel .
  • Intended for high integrity structural service at elevated temperatures.
  • DM9015-B9 offers improved toughness and better creep properties, which ultimately
    allow for higher steam temperatures and the use of thinner wall piping.
  • Power plants, steam boilers.
 RE-DRY CONDITIONS: Re-Dry the electrode at 250°C for 1 hour before use.
Deposited All Weld Metal Properties % (Typical) As Welded
Tensile Strength 758 MPa
Yield Strength 690 MPa
Elongation in 2″ 18%
Recommended Welding Parameters
Diameter Amperage
3/32″     70 – 110
1/8″    80 – 140
5/32″   100 – 180
 3/16″   140 – 240

POLARITY: DCEP
DCEP: DC, Electrode Positive (reverse polarity) has the most weld penetration
WELDING POSITIONS: Flat, Horizontal, Overhead, Vertical-up and Vertical-down positions
USE LESS AMPS ON THIN METAL; MORE AMPS ON THICK METALS