Precision Stainless Steel Laser Cutting Services: Nitrogen Assist Accuracy | MSTFAB

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✨ Direct Answer: What Is Precision Stainless Steel Laser Cutting?

Precision stainless steel laser cutting is the high-power fiber laser profiling of austenitic stainless steel alloys (AISI 304, 304L, 316, 316L) utilizing ultra-pure, high-pressure nitrogen gas (N2 at 18–25 bar) to evacuate molten metal from the kerf. Unlike oxygen cutting which causes severe black oxide scaling and corrosion vulnerability, nitrogen-assist laser cutting produces bright, silver, dross-free edges with zero oxidation, maintaining natural chromium-oxide passivation and holding dimensional tolerances within ±0.05 mm.

Stainless Steel Laser Cutting Parameters by Thickness

Sheet ThicknessLaser Power / Gas PressureKerf WidthEdge Roughness (Ra)Tolerance (ISO 2768-f)
0.8mm – 2.0mm6kW–10kW / 18 bar N20.10mmRa < 1.6 µm (Mirror clean)±0.05 mm mm
3.0mm – 6.0mm12kW–15kW / 22 bar N20.18mmRa < 3.2 µm (Zero dross)±0.08 mm mm
8.0mm – 16.0mm20kW / 25 bar N20.28mmRa < 6.3 µm (Vertical striations)±0.15 mm mm
High precision fiber laser cut stainless steel 304 custom sheet metal parts with mirror edges at MSTFAB
Figure 1: Clean, silver laser-cut edges on stainless steel 304 parts cutting with high-pressure nitrogen gas.

Fast Turnaround Stainless Steel Laser Cutting

Send your 2D DXF or 3D STEP drawings to MSTFAB. We optimize sheet nesting layouts and return full material and cutting quotes within 24 hours.

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Frequently Asked Questions on Stainless Laser Cutting

How do you protect brushed stainless steel surfaces from laser spatter?

We use stainless steel sheets pre-laminated with specialized laser-grade protective film (fiber laser PE film). The laser pierces and cuts through the film cleanly without bubbling or scorching the underlying grain.

Send Drawings for Quote

Attach one file, up to 10 MB (STEP/STP, DXF/DWG, PDF, ZIP, or an image). Include material, quantity, and finish details for an accurate quote.

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