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ER505

Class: ER505

AWS: A5.9

Conforms to Certification: AWS A5.9                        ASME SFA A5.9

AWS Chemical Composition Requirements
C = 0.10 max
Cr = 8.0 – 10.5
Ni = 0.50 max
Mo = 0.8 – 1.20
Mn = 0.60 max
Si = 0.50 max
P = 0.03 max
S = 0.03 max
Cu = 0.75 max

Available Sizes
Diameter X Spool Sizes Diameter X Coil Sizes
.025 x 2#, 10#, 25# 1/16 x 60# & mill coil
.030 x 2#, 10#, 25#, 30#, 33# 5/64 x 60# & mill coil
.035 x 2#, 10#, 25#, 30#, 33# 3/32 x 60# & mill coil
.045 x 2#, 10#, 25#, 30#, 33# 1/8 x 60# & mill coil
1/16 x 10#, 25#, 30#, 33# 3/16 x 60# & mill coil
5/32 x 60# & mill coil

Application
ER505 is for welding tube or pipe of similar composition. Preheating and post-weld heat treatments are required.

Deposited Chemical Composition % (Typical)
C = 0.08 Mo = 1.05 P = 0.023
Cr = 9.15 Mn = 0.45 S = 0.022
Ni = 0.40 Si = 0.34 Cu = 0.18

 

Mechanical Properties (R.T.) 
Yield Strength 63,500psi
Tensile Strength 79,000psi
Elongation 30%

Deposited All Weld Metal Properties
Data is typical for ER505 weld metal deposited by Mig using Argon + 2% oxygen as the shielding gas. Data on sub-arc is dependent on the type of flux used.

Recommended Welding Parameters
GMAW “Mig Process” Reversed Polarity
Wire Diameter Wire Feed Amps Volts Shielding Gas Gas CFH
Short Arc Welding .030 13-26 40-120 16-20 Argon+2% O2 25
.035 13-26 60-140 16-22 Argon+2% O2 25
Spray Arc Welding .035 20-39 140-220 24-29 Argon+2% O2 38
.045 16-30 160-260 25-30 Argon+2% O2 38
1/16 10-16 230-350 27-31 Argon+2% O2 38

Other shielding Gases may be used for Mig welding. Shielding gases are chosen taking Quality, Cost, and Operability into consideration

Recommended Welding Parameters
SAW “Submerged Arc Welding Process”   Reversed Polarity Suggested
Wire Diameter Amps Volts
3/32 250-450 28-32
1/8 300-500 29-34
5/32 400-600 30-35
3/16 500-700 30-35

Both Agglomerated and fused fluxes can be used for submerged arc welding.
Note: The chemical composition of the flux mainly affects the chemistry of the weld metal and consequently its corrosion resistance and Mechanical properties.