When it comes to welding, one of the most important things you need to know is the type of welding wire to use. In particular, AWS Class ER90S-B3 MIG & TIG is a popular welding wire used for welding various alloys. This blog post will discuss everything you need to know about AWS Class ER90S-B3 MIG & TIG, including its composition, physical properties, mechanical properties, uses, heat treatment, and corrosion resistance.
What is AWS Class ER90S-B3 MIG & TIG?
AWS ER90S-B3 electrode is an all-position, low alloy welding electrode. It has a unique composition provides better arc stability and higher deposition rates than other electrodes of the same class. Its high melting point minimizes slag entrapment, enabling it to be used for down-hand and fillet welds and overhead welds frequently found in pipeline fabrication. Its self-releasing slag and great mechanical properties make it the perfect choice for any TIG or MIG welding job requiring steel base material with 0.75% Tensile strength or greater. The result is a strong, highly durable weld that can withstand corrosive environments without cracking, flaking or losing integrity over time.
ER90S-B3 MIG & TIG Coated Wire Composition
AWS Class ER90S-B3 MIG & TIG wire is a type of filler metal with high chrome and molybdenum. In particular, it is a low-alloy steel that contains around 2% chrome and 0.5% molybdenum. Other elements in this welding wire include manganese, silicon, and carbon. This combination of elements gives ER90S-B3 excellent weldability and corrosion resistance.
|
Carbon (C) |
0.08 |
|
Chromium (Cr) |
2.50 |
|
Copper (Cu) |
0.12 |
|
Manganese (Mn) |
0.60 |
|
Molybdenum (Mo) |
1.00 |
|
Phosphorous (P) |
0.01 |
|
Silicon (Si) |
0.60 |
|
Sulfur (S) |
0.01 |
ER90S-B3 MIG & TIG Welding Wire Physical Properties
AWS Class ER90S-B3 MIG & TIG welding electrode has a very high melting point, which makes it ideal for welding applications. It also has a high tensile strength, which makes it ideal for welding high-strength alloys. This welding wire has good elongation and flexibility, which makes it easy to work with.
ER90S-B3 MIG & TIG Coated Wire Mechanical Properties
AWS Class ER90S-B3 MIG & TIG filler wire has excellent mechanical properties, including high strength and toughness. It has good impact resistance and fatigue strength, which makes it ideal for welding high-stress applications.
|
TENSILE STRENGTH 650 MPA |
94,500 PSI |
|
YIELD STRENGTH 550 MPA |
80,500 PSI |
|
ELONGATION IN 2” |
19% |
|
IMPACT STRENGTH @ 68°F |
80 ft. lbs |
ER90S-B3 MIG & TIG Welding Wire Trade Names
| Class | UNS | Oxford Alloys | BOHLER |
| ER90S-B3 | K30960 | Alloy 90S-B3 | UNION ER90S-B3 |
ER90S-B3 MIG & TIG Welding Wire Parameters
|
PROCESS |
DIA. OF WIRE | AMPERAGE | VOLTAGE | GAS/FLUX |
|
GTAW (TIG) |
1/16” 3/32” |
50-120 |
7-13 10-16 |
Ar Ar |
|
|
1/8” | 150-220 | 12-18 | Ar |
|
GMAW (MIG) SHORT ARC |
.035” .045” 1/16” |
90-160 120-200 – |
14-20 16-20 – |
Co2 CO2 or 75 Ar/25 CO2 CO2 or 75 Ar/25 CO2 |
|
GMAW (MIG) SPRAY TRANSFER |
.035” .045” 1/16” |
180-230 |
25-28 25-30 26-36 |
98 Ar/2 O2 75 Ar/25 CO2 75 Ar/25 CO2 |
|
SUBMERGED |
3/32” | 250-400 | 28-32 | UV420TTR |
|
ARC |
1/8” | 400-600 | 30-34 | UV420TTR |
ER90S-B3 MIG & TIG Welding Wire Uses
AWS Class ER90S-B3 MIG & TIG filler metal is commonly used for welding high-strength steel and alloys. It is also used for welding pipes, tanks, boilers, and pressure vessels, where its high strength and corrosion resistance are important.
ER90S-B3 MIG & TIG Coated Wire Heat Treatment
AWS Class ER90S-B3 MIG & TIG welding alloy can be heat-treated to improve mechanical properties. The welding wire can be annealed or normalized to improve its toughness and flexibility. It can also be hardened and tempered to improve its strength.
ER90S-B3 MIG & TIG Welding Wire Corrosion Resistant
AWS Class ER90S-B3 MIG & TIG coated electrode is highly resistant to corrosion, especially in environments exposed to high temperatures and corrosive substances. This makes it ideal for use in corrosive environments, such as chemical processing plants and oil refineries.
Conclusion
AWS Class ER90S-B3 MIG & TIG is a popular welding wire for high-strength alloys and steel. It is highly corrosion-resistant and has excellent mechanical properties, including high strength and toughness. It can be heat-treated to improve its properties and is commonly used for welding pipes, tanks, boilers, and pressure vessels. If you are looking for a reliable welding wire for your welding projects, consider using AWS Class ER90S-B3 MIG & TIG.
Hey, I’m Krutik, a casual blogger expert in the metal industry. I am passionate about providing valuable information to my readers. With a background in engineering and construction, I like playing Cricket & watching Netflix shows in my free time. Thank you for visiting my blog, and I hope you find my information helpful!
