1.4034 (X46Cr13) Material Data Sheet

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1.4034 (X46Cr13) directly from stock & cut to your required dimensions!

International identifiers
AISI 420, AFNOR Z44C14 / Z38C13M, BS420S45, 4H13

1.4034 can be hardened. Due to its higher carbon content it is higher hardened  than the 1.4031. it can be used in cutting tools, in the food industry and in surgical instruments.

This material is resistant to moderately aggressive media. Optimal corrosion resistance in hardened condition with polished or ground surface. The chemical composition and properties are similar to material 1.2083.

1.4034 is also known under the classification AISI 420.

Areas of application

The main application is in the mechanical engineering, in the cutlery industry, the medical and Pharmaceutical industry. It is also commonly use in the automotive industry and the rolling bearing industry.

Machinabilitymedium  5 (1 = poor - 10 = good)
Corrosion class1 (0 = weak - 5 = good)

Forging: by Forging a slow heating to over 800°C takes place. Thereafter a rapid heating between 1050°C to 1150°C. The forging process takes place in the temperature range between 1100°C and 800°C. Slow cooling is made in the oven or in dry ashes.

Welding: the 1.4034 is less suitable for welding. If welding needs to be done, appropriate precautions must be taken.

Corrosion resistance: the 1.4034 is not resistant to intergranular corrosion. In aggressive, non-chloride media, however, a corrosion resistance is given. The best corrosion resistance is available when tempered and with a polished surface.

Heat treatment
 Temperature in °CCooling
Hot forming1.100 - 800furnace, air
Heat treatment  
Soft annealing (+ A)750 - 850furnace, air
Hardening950 - 1.050air, oil
Leave on650 - 700air
Stress relief annealing (+ SR)200 


Cold forming              rare
Spent processingis possible
Cold diving

not common

Free-form and drop forgingrare
Polishingis possible

Special features:

  • Mirror polishing

  • Curable to 55 HRC

  • Ferromagnetic

Physical Properties:

Density in kg/dm37,7
Electrical resistance at 20°C in (Ω mm2)/m 0,55
Thermal conductivity at 20°C in W/(m K)30
Specific heat capacity at 20°C in J/(kg K)460


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Chemical composition
min.0,43    12,5       
max.0,50    14,5       
In stock

flat, forged, soft annealed
round, forged, soft annealed

Advantages of saw cut

The processing with the saw is a mechanical processing of the material, which results in a significantly lower unintended deformation and increased hardness for the existing structure, such as the thermal cutting. Thus, the machined workpiece has a homogeneous structure even at the edge, which does not change in the continuation of the material.

This circumstance allows immediate finishing of the workpiece with milling or drilling . So it is not necessary to anneal the material or make a similar operation beforehand.

Do you have any questions?

We are happy to answer your questions and make you an offer for these and other materials. Contact us now for more information.

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Notice: Specifications contained in following data sheet are provided as a description, liability is excluded!


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