Product description

Application: Used for welding carbon steel and low alloy steel structures of corresponding strength grades, applicable to industries such as engineering machinery, shipbuilding, vehicle manufacturing, and petrochemicals. 

Characteristics: This 500MPa grade carbon steel welding wire adopts CO₂ or Ar+CO₂ gas-shielded welding. It features low spatter, aesthetic weld formation, high deposition efficiency, low porosity susceptibility in weld metal, and excellent all-position welding processability.

Shielding Gas: CO₂

Available Diameter (mm): 0.8 / 0.9 / 1.0 / 1.2 / 1.6

Mechanical Performance of Deposit Metal

Tensile Strength MPa (N/mm²): ≥500

Yield Strength (MPa): ≥420

Elongation A (%): ≥22

Impact Energy (J): -30℃≥27

Chemical Composition (%):

Welding Parameters

Current Polarity: DC+ (Direct Current Electrode Positive)

Precautions:

1. CO₂ shielding gas purity shall be ≥99.98%.

2. Gas flow rate shall be regulated to 20–25 L/min (Calibrated flowmeter required).

3. Wire stick-out shall be maintained at 15–25 mm.