AWS A5.28 ER90S-B9

 Welding Wire ER90S-B9

AWS 5.28
ASME SFA 5.28
AWS ER90S B9
UNS S50482

Specifications

Application

 AWS A5.28 ER90S-B9 is intended for welding base materials of similar composition. Requires controlled preheat, inter-pass and post-weld heat treatment.This wire is suitable for 9% Chromium steels such as P91, T91 and F91. Applications include steam generation and petro-chemical equipment. Preheat and interpass is required.

Chemical Composition (%)

Deposited All Weld Metal Properties % (AW)

Welding Positions:

C = 0.07 – 0.13                        Mn = 1.20 max
Si = 0.15 – 0.50                       P = 0.010 max
S = 0.010 max                        Ni = 0.80 max
Cr = 8.00 – 10.50                    Mo = 0.85 – 1.20
V = 0.15 – 0.30                       Al = 0.04 max
Cu = 0.20 max                        N = 0.03 – 0.07

Nb = 0.02 – 0.10                     Other = 0.50 max

Note: the sum of Mn + Ni shall be less than or equal to 1.50% max

Deposited Chemical Composition % (Typical)

C = 0.09           P = 0.009           Cr = 8.75
Mn = 1.00        S = 0.009           Mo = 1.08
Si = 0.20          Ni = 0.75            Cu = 0.11

V = 0.19

Tensile Strength         100,000psi
Yield Strength             85,000psi

Elongation                   22%

Deposited Charpy-V-Notch Impact Properties %

Not Applicable

Deposited Mechanical Properties (S.R.)
1400º F for (2) Hours

Tensile Strength               112,000psi
Yield Strength                  100,000psi
Elongation                        17%