Various welding techniques and processes are used depending on the type of material to be welded. Flux core welding is A popular method widely used in manufacturing and construction. Flux core welding comes in different grades, including AWS Class E347T1-1/T1-4. This blog post will delve into what the AWS Class E347T1-1/T1-4 flux core is, its composition, physical and mechanical properties, uses heat treatment, and corrosion resistance.
What is AWS Class E347T1-1/T1-4 Flux Core?
AWS Class E347T1-1/T1-4 Flux Core welding alloy is a Titanium-stabilized Stainless steel tubular welding wire with a self-shielding flux core. It is designed for welding AISI 321 and 347 stainless steel, and its chemical composition contains chromium and nickel, making it highly corrosion-resistant.
E347T1-1/T1-4 Flux Core Coated Wire Composition
AWS Class E347T1-1/T1-4 Flux Core has a typical chemical composition of 0.08% carbon, 19% chromium, 9% nickel, 1.1% molybdenum, and 0.60% manganese. It also contains a small amount of titanium and niobium that help to make it stable during welding.
|
C |
Mn |
Si |
Cr |
Ni |
Mo |
Cu |
Nb (Cb)* |
S |
P |
N |
|
0.06 |
1.84 |
.63 |
20.2 |
10.35 |
0.2 |
0.20 |
0.68 |
0.02 |
0.03 |
0.05 |
E347T1-1/T1-4 Flux Core Welding Wire Physical Properties
AWS Class E347T1-1/T1-4 Flux Core electrode has a 7.9g/cm³ density at room temperature and melts about 1450 degrees Celsius. It has a tensile strength of about 550 MPa and a yield strength of about 430 MPa, making it ideal for high-stress applications.
E347T1-1/T1-4 Flux Core Coated Wire Mechanical Properties
AWS Class E347T1-1/T1-4 Flux Core welding wire has excellent mechanical properties, including corrosion resistance, high toughness, and flexibility. It is also highly resistant to heat and oxidation and ideal for high-temperature environments.
| Tensile Strength | 82,300 psi |
|---|---|
| Yield Strength | 58,700 psi |
| Elongation (%) | 38% |
E347T1-1/T1-4 Flux Core Welding Wire Trade Names
| Class | UNS | Oxford Alloys | BOHLER |
| E347T1-1/T1-4 | W34731 | Alloy 308LT0-1/4 | BOHLER SAS2 PW-FD |
E347T1-1/T1-4 Flux Core Coated Wire Parameters
| DIAMETER | VOLTAGE | AMPERAGE (WIRE FEED SPEED ipm) | |
|
FLAT |
VERTICAL & OVERHEAD | ||
| .045” | 24-28 | 130-200 (250 to 425) | 120-160 (225 to 300) |
| 1/16” | 25-30 | 180-250 (150 to 250) | 180-220 (150 to 200) |
E347T1-1/T1-4 Flux Core Welding Wire Uses
AWS Class E347T1-1/T1-4 Flux Core filler wire is ideal for welding stainless steel components in high-temperature applications such as chemical processing and power generation plants. It is also widely used in the food and dairy industry, where corrosion resistance is vital to meet health and safety requirements.
E347T1-1/T1-4 Flux Core Coated Wire Heat Treatment
AWS Class E347T1-1/T1-4 Flux Core filler metal does not require any heat treatment after welding. However, avoiding prolonged exposure to temperatures above 425 degrees Celsius is essential to prevent carbide precipitation which could reduce corrosion resistance.
E347T1-1/T1-4 Flux Core Welding Wire Corrosion Resistance
AWS Class E347T1-1/T1-4 Flux Core has excellent corrosion resistance properties, making it suitable for chemical processing and power generation plants. It also resists stress corrosion cracking in chloride environments, making it suitable for marine applications.
Conclusion
AWS Class E347T1-1/T1-4 Flux Core is a highly versatile and corrosion-resistant welding material for welding AISI 321 and 347 stainless steel. Its composition, physical and mechanical properties, and uses are ideal for high-temperature and corrosive environments. However, following the recommended welding procedures is essential to ensure the material’s properties are not compromised. Ultimately, AWS Class E347T1-1/T1-4 Flux Core is an excellent choice for many welding applications that require high strength, toughness, and excellent corrosion resistance.
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