Flux-Cored Wire
E71T-9C/9M Flux-Cored Welding Wire
E71T-9C/-9M is a gas shielding flux-cored wire for 490MPa high strength steel, can use both CO2 and 75-80%Ar+20-25% CO2 shielding gas.
E71T-9C/-9M is a gas shielding flux-cored wire for 490MPa high strength steel, can use both CO2 and 75-80%Ar+20-25% CO2 shielding gas.
Outstanding all position weldability, few spatter, soft and stable arc, thin slag, easy slag removal, great penetration, high x-ray passing rate.
Shielding Gas: 75–80% Ar / 20–25% CO2 mixed gas at 20–25 L/min (42–53 CFH)
Polarity: DCEP (DC Electrode Positive / DC+)
Welding Positions:All positions (Flat, Horizontal, Vertical-Up, Overhead) Contact Tip to Work Distance: 5/8” – 1” (15–25 mm)
Diffusible Hydrogen: H8 designation per ISO 3690 (typical < 5.0 ml/100g)
Typical Mechanical Properties
Tensile Strength: 490–670MPa
Yield Strength: ≥390MPa
Elongation: ≥22%
Impact Energy: ≥27J @ -40℃; Typical value 60–90J @ -40℃ for premium quality
Typical Applications:
Suitable for welding in shipbuilding, off-shore platform, steel structure, boiler and engineering machinery.