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AISI stainless steel 303 / EN 1.4305

Stainless steel AISI 303 / 1.4305 EN / 12h18n10e

Steel aisi 303 is a chromium-Nickel stainless steel, austenitic-specific class. High sulfur content makes it less resistant to corrosion than other grades of stainless steel aisi. However, no magnetic properties makes steel the best material for the manufacture of movable and mechanical components.

Features a steel

The chemical composition of aisi 303 contains carbon, manganese, Nickel, chrome, provide different steel properties. Thus, the Nickel contributes to resistance to corrosive manifestations. To increase strength, can be added and other items.

Metal stainless steel aisi 303 can be operated at temperatures from -196 to +200 degrees, well welded by any means.

Possible treatment:

- On automatic lines.

By removing the chips.

- Cold deformation.

- Polishing.


Available for metal stainless steel price and attractive properties contribute to the wide application aisi 303 in mechanical engineering and the automotive industry, electrical sector, food industry and chemical industry. Is also used in the production of components for piping and frame designs, high strength and durable operation.


The chemical composition of the steel 1.4305







         9.0 to         

        with 0.25          

Mechanical properties of material 1.4305

Tensile strength Rm, N/mm2


The yield strength Rp0. 2, N/mm2


Elongation, min., %  


Hardness, HB




 Form of delivery of products from steel AISI 303 / 1.4305 EN

Round AISI 303 / 1.4305 EN

Diameter: 6 – 500mm

Sheet  AISI 303 / 1.4305 EN

Thickness: 0.5 mm – 100mm

Pipe  AISI 303 / 1.4305 EN

-Hot rolled round pipe with a diameter from 38 to 244.5 mm, thickness from 3 to 25 mm

-Cold-drawn round tube

diameter from 6 to of 219.1 mm

with a thickness of 0.9 to 14.2 mm

Hexagon  AISI 303 / 1.4305 EN

Diameter: 17-65mm

Stripe  AISI 303 / 1.4305 EN

Thickness: 5-50mm ; Width: 50-250mm

Square AISI 303 / 1.4305 EN

Size: 10-80mm