AWS Class ER80S-B8 MIG & TIG electrode is a welding filler material used in various industries. This material has unique features and properties that make it ideal for specific welding applications. Understanding the composition and properties of AWS Class ER80S-B8 MIG & TIG is essential for choosing the correct welding filler material for a particular welding project. This blog post will discuss the composition, physical, mechanical, and corrosion-resistant properties, heat treatment, and uses of AWS Class ER80S-B8 MIG & TIG.
What is AWS Class ER80S-B8 MIG & TIG?
AWS Class ER80S-B8 MIG & TIG welding electrodes are an electrode used in arc welding, which uses an electrical current to melt and deposit metal onto the joint. It is a copper-coated solid wire with low carbon and manganese alloying elements for improved weldability without excessive spatter or porosity. Additionally, they can also be used for dissimilar metal applications. This electrode’s unique feature is its high tensile strength (up to 80 KSI) and excellent low-temperature toughness. This makes them ideal for use in highly stressed structures where strength and impact resistance are critical requirements. Lastly, because of its high deposition rate, it increases productivity when joining thick materials.
ER80S-B8 MIG & TIG Welding Wire Composition
AWS Class ER80S-B8 MIG & TIG is an alloy containing chromium, nickel, and molybdenum. The chromium and nickel enhance the material’s corrosion resistance capacity, while the molybdenum provides strength and hardness. Other elements present in AWS Class ER80S-B8 MIG & TIG include silicon, manganese, and copper. The composition of AWS Class ER80S-B8 MIG & TIG gives it excellent welding characteristics.
| C | Mn | Si | Cr |
Mo |
S | P | Ni | Cu | OET |
|
0.10 |
0.40- 0.70 |
0.50 |
8.00- 10.5 |
0.8- |
0.025 |
0.025 |
0.5 |
0.35 |
0.50 |
ER80S-B8 MIG & TIG Welding Wire Physical Properties
AWS Class ER80S-B8 MIG & TIG wire has a density of 8.0 g/cm3 and a melting point of approximately 1390°C. The material has a tensile strength of 610 MPa and a yield strength of 550 MPa. AWS Class ER80S-B8 MIG & TIG also has an elongation capacity of 25%.
ER80S-B8 MIG & TIG Coated Wire Mechanical Properties
AWS Class ER80S-B8 MIG & TIG’s alloy mechanical properties are excellent. The material has high tensile and yield strength, which makes it strong and durable. AWS Class ER80S-B8 MIG & TIG also has good toughness and crack resistance, which makes it less prone to cracking during welding.
|
Mechanical Properties – As required by AWS 5.28 |
|||
|
|
Tensile Strength MPa (ksi) |
Yield Strength MPa (ksi) |
Elongation % |
|
AWS |
550 (80) min | 470 (68) min | 17 min |
|
Typical Results(a) |
640 (93) | 490 (71) | 30 |
ER80S-B8 MIG & TIG Welding Wire Trade Names
| Class | UNS | Oxford Alloys | BOHLER |
| ER80S-B8 | S50480 | Alloy 80S-B8 | BOHLER CM 9-IG |
ER80S-B8 MIG & TIG Coated Wire Parameters
| Typical Welding Parameters | |||||
| Diameter |
Process |
Volt | Amps |
Shielding Gas |
|
| in | (mm) | ||||
| .035 | 0.9 | GMAW | 28-32 | 165-200 |
Spray Transfer |
| .045 | 1.2 | GMAW | 30-34 | 180-220 | |
| 1/16 | 1.6 | GMAW | 30-34 | 230-260 | |
| .035 | 0.9 | GMAW | 22-25 | 100-140 | Short Circuiting Transfer 100% CO2 or 75% Argon + 25% CO2 |
| .045 | 1.2 | GMAW | 23-26 | 120-150 | |
| 1/16 | 1.6 | GMAW | 23-26 | 160-200 | |
| 1/16 | 1.6 | GTAW | 12-15 | 100-125 | 100% Argon |
| 3/32 | 2.4 | GTAW | 15-20 | 125-175 | 100% Argon |
| 1/8 | 3.2 | GTAW | 15-20 | 175-250 | 100% Argon |
ER80S-B8 MIG & TIG Welding Wire Uses
AWS Class ER80S-B8 MIG & TIG filler wire is used in various welding applications, especially those requiring high-temperature and corrosion resistance. The material is used in the chemical, oil, and gas industries to weld stainless steel, carbon steel, and low-alloy steel. AWS Class ER80S-B8 MIG & TIG is also used to construct oil and gas pipelines, heat exchangers, pressure vessels, and other high-temperature applications.
ER80S-B8 MIG & TIG Coated Wire Heat Treatment
AWS Class ER80S-B8 MIG & TIG filler metal can be heat-treated to enhance its properties. The material can be annealed by heating it to 760°C and cooling it slowly in a furnace. The annealing process removes stress from the material, improves its ductility and toughness, and makes it easier to weld. AWS Class ER80S-B8 MIG & TIG can also be solution-treated by heating it to 1010°C and then quenching it in water or oil.
ER80S-B8 MIG & TIG Welding Wire Corrosion-Resistant Properties
AWS Class ER80S-B8 MIG & TIG has excellent corrosion-resistant properties, making it ideal for welding applications in corrosive environments. The combination of chromium and nickel in the material increases its corrosion resistance, especially in acidic and chloride-containing environments. The material’s high molybdenum content also enhances AWS Class ER80S-B8 MIG & TIG’s resistance to corrosion.
Conclusion
AWS Class ER80S-B8 MIG & TIG is a welding filler material with excellent properties, making it the preferred choice for welding applications requiring high temperature and corrosion resistance. The material’s unique chromium, nickel, and molybdenum composition enhances its mechanical and corrosion-resistant properties. AWS Class ER80S-B8 MIG & TIG can be heat-treated to improve flexibility and toughness. It is used in different industries such as chemical, oil, and gas for welding stainless steel, carbon steel, and low-alloy steel. Understanding AWS Class ER80S-B8 MIG & TIG’s properties is essential for selecting the right welding filler material for a particular welding project.
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!
