Carbon steel


Carbon steel, commonly known as iron, is composed mainly of iron and carbon. It is a corrosion-prone material with very good tensile strength and low cost, making it an ideal material for the manufacture of industrial parts.


CNC Machining







Europe: C25E
Spain: F-112
Germany: 1.1158 / CK25
France: XC25
Italy: C25
USA: SAE1026


Europe: C45E
Spain: F-114
Germany: 1.1191 / CK45
France: XC45
Italy: C45
USA: SAE1045


Europe: 42CrMo4
Spain: F-125
Germany: 1.7225 / 42CrMo4
France: 42CD4
Italy: 42CrMo4
USA: SAE4140

Finishes options


Surface finish applied to different materials so that the piece will obtain the desired colour, either in RAL or Pantone.

Zinc plating

Surface zinc plating protects the surface from oxidation. White-silver colour.


Specific black steel finish to improve the surface appearance.

Nickel Plating

Electrolytic nickel coating applied to improve strength and aesthetic appearance. Silver colour.

Chrome Plating

Chrome plating to prevent rust and improve the aesthetics of the surface.

Proto&Go! puts at your disposal all its technology to obtain CNC machining in carbon steel.

Thanks to the specific software developed by Proto&Go! you can now request your carbon steel machining offers easily through our online form and receive them anywhere in the world by express delivery.

Our CNC machining technology can accommodate both simple carbon steel prototypes, common in industry, as well as 3D prototyping of complex surfaces, offering a real alternative to 3D printing or sintering.

Select Carbon Steel from our 100+ available materials, both plastic and metallic, upload your 3D files and within 24 hours you will receive an online quotation with an estimated delivery time.

Do not hesitate to request an offer without obligation and benefit from a technology currently only available to large companies at prices within the reach of any user.

Thank you for trusting in the machining services of Proto&Go! to obtain your prototypes and unique parts in carbon steel.