m 15 x / uns s43100


Law 100Pb also in standard ISO h5 available from stock for sizes between 2.0 - 10.0 mm Dia.
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Watchmaking Hardenable Alloys Chronifer M-15 X / SUS 431 / UNS S43100

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SUS 431 / UNS S43100 M-15 X Watchmaking Steel
 

Chronifer M-15X / SUS 431 / UNS S43100 (X) Watchmaking Alloy bars

 

431 (X) / Chronifer M-15 X is available in stock as bars / rods. Chronifer M-15 X, 431 (X), 1.4057 X is a hardenable martensitic stainless steel that is produced by a special powder metallurgic technique, whereby the material retains a very fine grain size, microstructure and homogeneity.
The property range of the SUS 431 / UNS S43100 (X) is significantly improved compared to the classical 1.4057.

 

Properties of M15 X / SUS 431 (X) stainless hardenable watch making steel

 

SUS 431 (X) is characterized by a very good machinability, high durability and excellent polishing ability, which results in outstanding corrosion resistance, higher than standard martensitic steels.

 

Applications of M 15 X / SUS 431 / UNS S43100 (X)

 

Due to its microstructure an optimum reproducibility is achieved, therefore, the M-15 X is ideal for pulling smallest tolerances and for particularly economical production of small precision parts. In the watchmaking industry it is used for the production of pinions, pivots, plates, bridges and other clockwork parts.

 
 
Brief description  
   
Klein designation: CHRONIFERŪ M-15X
Class of metals: Free machining martensitic stainless
steel with addition of S
Production technology: Micro-MeltŪ powder metallurgy
Material number: 1.4057 (X Micro-MeltŪ)
Standard AISI: 431
Melting: VIM - Micro-MeltŪ
Machinability: fair to good
Hardening capability: up to 56 HRc
Polishing ability: excellent, very well adapted for mirror
polishing
Magnetism: ferromagnetic
Corrosion resistance: fair to good
Uses: parts for watch movements and
numerous industrials applications
   
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