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Laser Marking And Etching Stainless Steel

Many types of stainless-steel alloys and grades exist. They're all made of elements such as iron, nickel, carbon, and chromium. The latter makes up for at least 10.5% of the alloy. Chromium reacts with oxygen and creates an isolating, thin layer that prevents the formation of rust on the surface.

Not all laser technologies can be used to mark stainless steel parts. For instance, you can’t laser engrave or laser etch stainless steel. To mark data matrix codes, barcodes, serial numbers, and logos, you must rather use laser annealing. This ensures that:

The mark will be permanent on the surface of the material
The metal surface will be left intact to avoid degradation by oxidation

This is especially true for applications like marking exhaust lines that are exposed to corrosive acids. It also applies to marking parts that must remain spotless like car interiors.

Suitable metals for laser cutting:

 Ferritic stainless steel
 Precipitation hardening stainless steel
 304 stainless steel
 austenitic stainless steel
 Austenitic Ferritic duplex stainless steel
 316 stainless steel
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Application of stainless steel

In the field of building application, the smooth surface of corrosive environment is required because the smooth surface is not easy to scale. The deposition of dirt can rust or even cause corrosion of stainless steel.

Stainless steel is most suitable for hospitals or other areas where health conditions are critical, such as food processing, catering, brewing and chemical industry, not only because it is easy to clean every day, but also because it is not easy to breed bacteria. The results show that the properties of glass and ceramics are the same.

      Corrosion resistant container
      medical equipment
      Watch accessories
      Surgical equipment
      Food machinery
      Chemical processing equipment
      Automobile exhaust pipe
      Metal conveyor belt

Application of stainless steel processed by laser cutting machine

medical equipment

Medical equipment


Why laser cutting stainless steel?

Why choose cutting equipment to process stainless steel?

First of all, for the processing of carbon steel, the most important thing is to ensure the accuracy of the products, especially some hardware parts, because most of them are used in automobile ships, precision parts and household appliances. Second, the cost savings and benefits of fiber laser cutting machines are increasing. In today's increasingly scarce labor force, automated production has gradually become the mainstream of the processing industry, so laser equipment that can save labor but enhance efficiency is destined to become the focus of the market. 

Function and advantages of laser technology

  • The fiber laser cutting machine can be used for both plane cutting and bevel cutting, and the edges are neat and smooth, which is suitable for high-precision cutting of metal sheets. It is an energy-saving and environmentally friendly new products with space saving and gas consumption and high photoelectric conversion rate.

    Advantages of a Leapion laser

    • Excellent beam quality and good cutting quality

    • Fast cutting speed and high production efficiency

    • No burr in the cutting, high cutting precision

    • Auto focus, easy to operate and maintain

    • Very low cost of use, cost-effective

    • Closed design, safe and pollution free

    • Fast cutting speed and high production efficiency

  • The CO2 laser cutting machine adopts a focusing mirror to focus the CO2 laser beam on the surface of the material to melt the material, while blowing the melted material with a compressed gas coaxial with the laser beam, and moving the laser beam and the material relative to each other along a certain trajectory to form a slit of a certain shape

    Advantages of a Leapion laser

    • The output continuous laser is to make the cutting section smoothest.

    • The laser cutting head does not contact with the surface of the material and no damage to the workpiece.

    • Can cut non-metallic materials and has a wide cutting range.

    • No need for molds, saving production costs.

  • Fiber laser marking machine, with the good beam quality. Its output center is 1064nm, the whole machine life is longer about 100,000 hours, compared with other types of laser markers. The electro-optical conversion efficiency is more than 28%, relative 2%-10% conversion efficiency of other types of laser marking machine. Besides that it has outstanding performance in energy saving and environmental protection.

    Advantages of a Leapion laser

    • Can process a variety of metal, non-metallic materials.

    • Belonging to non-contact processing, no damage to the product, no tool wear, good marking quality.

    • Thin laser beam is thin, small processing material consumption and the processing heat affected zone.

    • High processing efficiency, computer control, easy to automate

LASER Product Recommendations

The data are for reference only


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