JY·309L, a welding wire for CO2 gas shielded stainless steel flux cored.
Purpose: Used for welding petrochemical and other manufacturing equipment,chemical composition of he same type of stainless steel,Surfacing and internals of oil refining equipment.
Shielding gas: CO₂Shielding Gas:CO₂
(Shielding gas: CO₂)Chemical Composition of Deposited Metal(%)(Shielding Gas:CO₂)



Test Item | C | Mn | Si | Ni | Cr | S | P |
Guarantee Value | ≤0.04 | 0.50~2.50 | ≤1.00 | 12.0~14.0 | 22.0~25.0 | ≤0.030 | ≤0.040 |
General Result | 0.035 | 1.25 | 0.58 | 12.4 | 24.15 | 0.004 | 0.023 |
Test Item | Rm(MPa) | A(%) |
Guarantee Value | ≥520 | ≥25 |
General Result | 560 | 41.5 |
Supply Specification:Φ1.2mm φ1.4mm Φ1.6mm Specification of supply:Φ1.2mm Φ1.4mm Φ1.6mm
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