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            ISO 9001:2015 Certified

ER90S-B9

Class: ER90S-B9

AWS: A5.28

Conforms to Certification: AWS A5.28                      ASME SFA A5.28

Weld Process: Mig (GMAW) Welding Processes

AWS Chemical Composition Requirements
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

Sizes Available Upon Request

Application
Material contains 9% chromium and 1% molybdenum. Classification is intended for welding base materials of similar composition. Requires controlled preheat, inter-pass and post-weld heat treatment.

Deposited Chemical Composition % (Typical)
C = 0.09 P = 0.009 Cr = 8.75
Mn = 0.85 S = 0.009 Mo = 1.08
Si = 0.20 Ni = 0.55 Cu = 0.11
V = 0.19 Nb = 0.08  N = 0.04

 

Deposited Mechanical Properties (S.R.) 1400º F for (2) Hours
Tensile Strength 112,000 psi
Yield Strength 100,000 psi
Elongation 17%

Deposited Charpy-V-Notch Impact Properties %
Not Applicable

Available Sizes & Recommended Welding Parameters
Process Diameter of Wire Voltage (V) Amperage (A) Gas
MIG – Sprayer Transfer .035 inches 28 – 32 165 – 200 98% Argon + 2% Helium
.045 inches 30 – 34 180 – 220 75% Argon + 25% CO2
1/16 inches 30 – 34 230 – 260 100% CO2
MIG – Short Arc Transfer .035 inches 22 – 25 100 – 140 100% CO2
.045 inches 23 – 26 120 – 150 75% Argon + 25% CO2

 

 

 

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