NL7311787A - Corrosion protection of cast-iron parts - by tinning and coating with lead-antimony alloy - Google Patents

Corrosion protection of cast-iron parts - by tinning and coating with lead-antimony alloy

Info

Publication number
NL7311787A
NL7311787A NL7311787A NL7311787A NL7311787A NL 7311787 A NL7311787 A NL 7311787A NL 7311787 A NL7311787 A NL 7311787A NL 7311787 A NL7311787 A NL 7311787A NL 7311787 A NL7311787 A NL 7311787A
Authority
NL
Netherlands
Prior art keywords
cast
protective layer
iron parts
tinning
coating
Prior art date
Application number
NL7311787A
Other languages
Dutch (nl)
Other versions
NL174273C (en
Original Assignee
Emmelot Galvanisch Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emmelot Galvanisch Bv filed Critical Emmelot Galvanisch Bv
Priority to NL7311787A priority Critical patent/NL174273C/en
Publication of NL7311787A publication Critical patent/NL7311787A/en
Application granted granted Critical
Publication of NL174273C publication Critical patent/NL174273C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/10—Lead or alloys based thereon

Abstract

A protective layer is applied to cast-iron parts exposed to corrosive effects by (a) decarburising or Fe-plating the part, at least on the area to be protected; (b) Sn-plating this area; and (c) applying a protective layer consisting of a Pb/Sb alloy contg. 5-10% (pref. ca. 7.5%) Sb. The process can be used to protect engine parts (valve casings, cylinder blocks, etc.) in contact with coolant water, exhaust gases, etc. A specific example is the exhaust gas chambers of turbine compressor systems for marine diesel engines. The Pb/Sb alloys give a more compact and wear-resistant protective layer than pure Pb.
NL7311787A 1973-08-28 1973-08-28 METHOD FOR PROTECTING CAST IRON ARTICLES FROM CORROSION NL174273C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7311787A NL174273C (en) 1973-08-28 1973-08-28 METHOD FOR PROTECTING CAST IRON ARTICLES FROM CORROSION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7311787A NL174273C (en) 1973-08-28 1973-08-28 METHOD FOR PROTECTING CAST IRON ARTICLES FROM CORROSION

Publications (2)

Publication Number Publication Date
NL7311787A true NL7311787A (en) 1975-03-04
NL174273C NL174273C (en) 1984-05-16

Family

ID=19819476

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7311787A NL174273C (en) 1973-08-28 1973-08-28 METHOD FOR PROTECTING CAST IRON ARTICLES FROM CORROSION

Country Status (1)

Country Link
NL (1) NL174273C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494723A1 (en) * 1980-11-21 1982-05-28 Emmelot Galvanisch Bv METHOD OF APPLYING PROTECTIVE LAYER TO CORROSION-BASED CAST IRON OBJECTS
US4873127A (en) * 1983-10-03 1989-10-10 The Fukura Electric Company, Ltd. Method of making heat transfer tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494723A1 (en) * 1980-11-21 1982-05-28 Emmelot Galvanisch Bv METHOD OF APPLYING PROTECTIVE LAYER TO CORROSION-BASED CAST IRON OBJECTS
US4873127A (en) * 1983-10-03 1989-10-10 The Fukura Electric Company, Ltd. Method of making heat transfer tube

Also Published As

Publication number Publication date
NL174273C (en) 1984-05-16

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee