
Flux Core Welding
Type:flux core welding wire
Payment Term:30% TT prepayment,70% TT before Delivery
Packing:1kg/5kg/15kgPer Spool,1Spool/Carton
Products Description

E304LT0-3 is a self-shielded stainless steel flux-cored welding wire conforming to AWS A5.22 standards, specifically designed for welding austenitic stainless steels such as 304, 304L, 309, and 316. It requires no external shielding gas; the molten pool is protected by the slag and gas generated by the flux core in the arc, making it suitable for outdoor, high-altitude, and poorly ventilated applications.
Key features
- Self-protection: The flux core contains gas-generating and slag-forming agents, eliminating the need for external gases such as CO₂ or Ar during welding.
- All-position welding: Can be performed in horizontal, horizontal, vertical, and overhead positions.
- Applicable base materials: Primarily used for 304/304L stainless steel, but also suitable for similar materials such as 309 and 316.
- Wind resistance: Compared to gas-shielded welding, it maintains weld quality even at higher wind speeds.
- Convenience: Eliminates the need for gas cylinders and supply systems, facilitating on-site and mobile operations.
Chemical composition of welding wire (%)
|
Element |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
|---|---|---|---|---|---|---|---|---|---|
|
Actual Result |
0.042 |
0.58 |
1.63 |
0.022 |
0.012 |
17.51 |
7.50 |
0.01 |
0.01 |
Mechanical property test of deposited metal
|
Item |
Tension Test |
Impact test |
Bending Test |
Hardness Test |
||||
|
Specification
|
Tensile Strength Rm(Mpa) |
Yield Strength ReL(Mpa) |
Elongation A(%) |
Impact Temp (℃) |
Impact Value ( Ј ) |
Face
|
Side
|
--- |
|
≥550 |
--- |
≥35 |
--- |
--- |
180° |
180° |
||
|
Actual Result |
584 |
--- |
40 |
--- |
--- |
OK |
OK |
--- |
Precautions
- The low-temperature toughness and plasticity of the weld are generally lower than those of gas-shielded flux-cored wire.
- Welding fumes are abundant; ensure good ventilation in the work area.
- High requirements are placed on the flux core formulation and manufacturing process; otherwise, defects such as porosity and slag inclusions are prone to occur.
Product Details
Payment Term:30% TT prepayment,70% TT before Delivery
Packing:1kg/5kg/15kgPer Spool,1Spool/Carton
Production Time:Within 25days after recerving prepayment
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