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The latest innovation introduced by Valbruna is Maxival Evo®, a stainless steel product line of premium quality and improved machinability, obtained thanks to a metallurgical and technological EVOlution.

AN INNOVATIVE MANUFACTURING PROCESS

With a balanced chemical composition and a tailored steel melting practice, these grades are made by a special steel making process which is guaranteed to improve machinability

METALLURGICAL CHARACTERISTICS


Continuous investments in R&D activities and new equipment have allowed Valbruna to develop Maxival Evo® stainless steel, optimized to increase the productivity and lower the cost per component.

Maxival Evo® enables the user to achieve:

  • - IMPROVED CHIP BREAKABILITY
  • - IMPROVED FEED AND SPEED
  • - HIGHER PRODUCTIVITY
  • - LONGER TOOL LIFE
  • - LOWER SCRAP RATIO
  • - BETTER SURFACE FINISHING
  • - REDUCED MACHINE DOWNTIME

TECHNOLOGICAL FEATURES


The best results in terms of machinability, in order to design a product that meets the expectations of the most demanding customers, are then achieved when metallurgical characteristics are strictly combined with technological properties of the stainless steel bars, such as:

  • - TIGHT DIMENSIONAL TOLERANCES
  • - BETTER SURFACE FINISHING
  • - SUPERIOR STRAIGHTNESS
  • - END FACING AND CHAMFERED ENDS

MAXIVAL EVO® GRADES


MAXIVAL EVO® is available in the following stainless steel grades:

  • - AISI 303 – W.N. 1.4305 (Valbruna Grade MV188HSE),
  • - AISI 304/304L – W.N. 1.4301/1.4307 (Valbruna Grade MVAISLE),
  • - AISI 316/ 316L – W.N. 1.4401/1.4404 (Valbruna Grade MVAPMLE),
  • - AISI F51/F60 – W.N. 1.4462 – UNS S32205 (Valbruna Grade AV225EVO).

THE R-EVOLUTION IN DUPLEX STEEL MACHINABILITY


Valbruna has developed a new generation of improved machinability stainless steels that also includes duplex steel.

AV225EVO (W.N. 1.4462) has been developed starting from the MAXIVAL EVO® steel making practice where the aim is a tailored and precise control of non-metallic inclusions with a particular morphology and lubricating properties which are able to improve machinability.

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