Unique_continuous_chromium_plating_process_cylinders_pipes_bars

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HYDRAPAC ITALIA S.r.l. Vicolo del Lavoro, 9 40069 Zola Predosa (Bologna) Italia Tel. +39 051 755082 Fax +39 051 6185568 E-mail: italia@hydrapac.it www.hydrapac.it Present: Stelmi Italia SpA

Unique, continuous chromium plating process


Chromium plating technologies Chromium plated bars: end pieces not plated

150 mm / 6000 mm = 2,5% 200 mm / 6000 mm = 3,33%

Stelmi bars: fully plated up to the ends

NO SCRAP: 100%


Chromium plating technologies Traditional technology

Stelmi technology


Chromium plating technologies

Minimum 20 micron Cr

Uniform chromium layer: 20 micron minimum


TRADITIONAL CHROMIUM PLATING TECHNOLOGY

20 micron Cr

STEEL


TRADITIONAL CHROMIUM PLATING TECHNOLOGY

Corrosion

20 micron Cr

STEEL


HIPERCHROMIUM® 200 by Stelmi

20 micron CR

STEEL


HIPERCHROMIUM速 500 by Stelmi

40 micron Cr

STEEL


HIPERCHROMIUM速 1000 by Stelmi

50 micron Cr

STEEL


HIPERCHROMIUM速 250-10 Heavy Duty by Stelmi

25 micron Cr

STEEL


Induction hardening bar section 20 micron CR induction hardened steel: 1,5 mm +/- 0,5 mm (e.g. diam 35 mm)

STEEL


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