Learn more about methods comparison for your manufacturing sourcing needs in China.

Learn more about parameters for your manufacturing sourcing needs in China.

Learn more about defects & solutions for your manufacturing sourcing needs in China.

Laser Welding Methods Comparison — Pulsed CW Hybrid

Laser welding offers high speed, minimal heat input, and excellent quality. As costs drop in China, it’s replacing TIG and resistance welding in many applications.

Methods Comparison

Method	Power	Penetration	Best For
Pulsed Laser	10-500 W	0.1-1.5 mm	Micro-welding, electronics
CW Laser	500 W-20 kW	0.5-15 mm	Deep penetration, automotive
Hybrid Laser-Arc	2-16 kW + arc	2-20 mm	Shipbuilding, heavy equipment
Laser Brazing	1-4 kW	Surface	Galvanized sheet

Parameters

Power: higher = deeper but more spatter
Speed: 1-20 m/min
Focal position: on surface (conduction), below (keyhole)
Shielding: argon, helium, nitrogen

Defects & Solutions

Porosity: improve shielding gas
Cracking: adjust filler or use hybrid
Undercut: add filler, slow down
Spatter: clean surface

Cost in China

1 kW pulsed welder from ¥50K (Chuangxin, HGTech). 6-12 kW fiber lasers ¥200K-800K (Raycus, IPG). Job-shop services ¥50-200/hour.

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