Q&A topic

Laser welding: 15 questions answered

• Are laser welders legal in Australia?

  Yes — handheld laser welders are legal to buy, own and use in Australia. They are Class 4 laser products, so suppliers must import…

• How much does a laser welder cost in Australia?

  Handheld laser welders in Australia cost from about $4,600 for imported 1,500 W eBay-class units to $33,000 for branded 3 kW indus…

• How thick can a handheld laser welder weld?

  Most handheld fiber lasers weld steel comfortably to 4–6 mm in a single pass: 1,500 W handles ~4 mm well, 2,000 W pushes toward 5–…

• How does laser welding work?

  Handheld laser welding (fiber laser welding): a fiber laser beam melts a narrow, deep seam — 3–5x faster than TIG with minimal hea…

• What is laser welding used for?

  Laser welding is used for production speed, stainless benches, sheet metal, minimal distortion and clean finish. In Australian ter…

• How hard is laser welding to learn?

  Expect a week of ugly beads before it clicks.…

• What gas does laser welding use?

  Laser welding uses nitrogen or argon at 15–25 L/min.…

• What thickness can you weld with laser welding?

  Handheld fiber lasers weld 0.5–4 mm at 1,500 W, 6 mm at 2,000 W and around 8 mm at 3,000 W with wire — thickness is power-limited.…

• Common laser welding mistakes and how to fix them

  The most common laser welding mistakes: no rated laser safety eyewear for the exact wavelength; skipping the focal/protective lens…

• Can you do laser welding outdoors?

  Handheld lasers tolerate mild outdoor site use within safety controls, but reflectivity and eye-safety zones make controlled envir…

• What angle should the torch be for laser welding?

  Hold the welding head normal to the work or per the machine's guide, following the seam wire guide; the machine dictates technique…

• What settings for 3 mm steel on Laser?

  For 3 mm mild steel on Laser: 1,200–1,500 W machines handle 3 mm comfortably at full power with moderate travel speed — add wire i…

• Laser welding vs TIG — which is better?

  Lasers weld 3–5× faster than TIG with near-zero cleanup and minimal distortion on thin material; TIG handles thicker sections, dir…

• What do the 4-in-1 laser machines actually do?

  The 4-in-1 handheld laser machines combine welding, cutting, cleaning and (on some models) rust removal in one source: swap the ha…

• Are handheld laser welders Class 4 lasers in Australia?

  VERIFIED TRUE: “Handheld laser welding devices are Class 4 lasers subject to WHS controls in Australian workplaces.” — rated True …