Thermal Cutting Guide: Plasma, Laser & Oxy-Fuel Cutting Compared

Thermal Cutting Guide: Plasma, Laser & Oxy-Fuel Cutting Compared

Short answer: Thermal cutting severs metal with heat rather than shear: oxy-fuel burns steel in a stream of oxygen (cheapest for thick carbon steel), plasma melts and blows the kerf with an argon/hydrogen arc (fast on most metals up to ~50 mm), and laser vaporises a precise edge (best for thin, intricate parts). Each leaves a heat-affected zone and dross that finishing steps must address; waterjet and sawing remain the cold alternatives when distortion or HAZ must be avoided.

At a Glance

Thermal Cutting Guide: Plasma, Laser & Oxy-Fuel Cutting Compared chart
Figure 1 – Thermal Cutting Guide: Plasma, Laser & Oxy-Fuel Cutting Compared overview.

Cut Methods Compared

Compare Metal Oxy Fuel Cutting Guide e Metal Laser Welding Guide; relate to Metal Band Saw Cutting Guide e Metal Shear Cutting Guide.

Qualità

Edge and HAZ checked per Metal Grain Size Guide, certified by Mill Test Certificate Guide. Inspect by Metal Ndt Guide.

Supply & QA

Control distortion via Metal Machinability Guide; protect via How To Prevent Metal Rust. HXSCO supplies cut-ready plate and bar.

Get a Quote

Tell HXSCO your requirements and we will respond with a competitive quote and lead time.

Domande frequenti

What is thermal cutting?

Cutting metal with oxy-fuel, plasma or laser heat.

Plasma vs laser?

Plasma is faster/thicker; laser is finer/lower distortion.

What is a HAZ?

A heat-affected zone with changed properties near the cut.

When use waterjet instead?

When no heat, HAZ or distortion is allowed.

Do you supply cut stock?

HXSCO supplies plate and bar cut to size for fabrication.

Source Cut-Ready Metal from HXSCO

HXSCO supplies steel, stainless and aluminium plate and bar cut to size for thermal or cold cutting. Send your grade and size for a quote.

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